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Journal of the Society of Korea Industrial and Systems Engineering Vol. 32, No. 4, pp.17 24, December 2009. ์ด์ •๋งŒ * ๊น€๋ฏธ์ด * ๊น€๋™ํ˜„ * ์ด์ข…์ผ * ๊น€๊ธฐ๋งŒ * ์ด์˜ํ›ˆ * ๊น€์Šนํ˜ธ ** ๋ฐ•์œ ์„ ** ์—ฐ์„ธ๋Œ€ํ•™๊ต์ •๋ณด์‚ฐ์—…๊ณตํ•™๊ณผ * ์—ฐ์„ธ์˜๋ฃŒ์›์‘๊ธ‰์˜ํ•™๊ณผ ** A Simulation Analysis for the Shortening of the Patients Stay Time in the Emergency Department Jung Man Lee* Mi-Yi Kim* Dong Hyun Kim* Jong Il Lee* Ki Man Kim* Young Hoon Lee* Seung Ho Kim** Yu-Suk Park** *Department of Information and industrial Engineering, Yonsei University **Department of Emergency, Severance Hospital The purpose of this research is to find the reasons of overcrowding in the emergency department of an hospital, then to shorten the total stay time of patients. The fact that main causes of the overcrowding exist in the process of the emergency department was discovered by analysis of the data. In order to improve these process, simulation model was developed by ARENA 7.0. Staff's service time, staff's organization, process ratio, and patient's waiting time were estimated in the simulation model in consideration of the decision of the patient's course of action. Several scenarios such as the simplification of the process, the setup of dedicated pathology lab, and mixed method were suggested and evaluated. Total stay time of the patients would be reduced up to 28.45%. Keywords:Simulation Analysis, Emergency Department Process, Stay Time 1. ์„œ๋ก  1) ์‚ฌํšŒ๊ฐ€๋ฐœ์ „ํ•จ์—๋”ฐ๋ผ์ธ๊ตฌ๋„๋Œ€๋„์‹œ์ค‘์‹ฌ์œผ๋กœ๋ฐ€์ง‘๋˜๋ฉด์„œ๊ตํ†ต์‚ฌ๊ณ , ์‚ฐ์—…์žฌํ•ด๋“ฑ๊ฐ์ข…์‚ฌ๊ณ ๊ฐ€๊ธ‰์ฆํ• ๋ฟ๋งŒ์•„๋‹ˆ๋ผ์‚ฌํšŒ์˜๊ณ ๋ นํ™”์ถ”์„ธ๊ฐ€์ง€์†๋จ์—๋”ฐ๋ผ๋ณ‘์›์ˆ˜์š”๊ฐ€์ฆ๊ฐ€ํ•˜๊ณ ์žˆ๊ณ ๊ทธ์ค‘์—์„œ๋„์ „๋ฌธํ™”๋œ์‘๊ธ‰์˜๋ฃŒ์—๋Œ€ํ•œ์ˆ˜์š”๊ฐ€ํฌ๊ฒŒ๋Š˜์–ด๋‚˜๊ณ ์žˆ๋‹ค. ํŠนํžˆ์†Œ๋“์ˆ˜์ค€์ด๋†’์•„์ง€๊ณ ์ƒํ™œ์—ฌ๊ฑด์ด๊ฐœ์„ ๋จ์—๋”ฐ๋ผ์ˆ˜์ค€๋†’์€์˜๋ฃŒ์„œ๋น„์Šค์—๋Œ€ํ•œ์š•๊ตฌ๊ฐ€๋”ํ•ด์ง€๋ฉด์„œ๋Œ€ํ•™๋ณ‘์›์ด๋‚˜๋Œ€ํ˜•์ข…ํ•ฉ๋ณ‘์›๋“ฑ์˜ 3 ์ฐจ๋ณ‘์›์‘๊ธ‰์‹ค์ด๊ณผ๋ฐ€ํ™”๋˜๊ณ ์žˆ๋‹ค. ์ด๋Ÿฌํ•œ๊ณผ๋ฐ€ํ™”๋Š”๋Œ€๋‹ค์ˆ˜์‘๊ธ‰์ง„๋ฃŒ์„ผํ„ฐ์˜๋ณธ๊ธฐ๋Šฅ์ €ํ•˜์™€์–‘์งˆ์˜์˜๋ฃŒ ์„œ๋น„์Šค๋ฅผ์ œ๊ณตํ•˜์ง€๋ชปํ•˜๊ฒŒ๋˜๋Š”์ฃผ์š”์›์ธ์œผ๋กœ์ž‘์šฉํ•˜๊ณ ์žˆ๋‹ค. ์ด๋Š”์‘๊ธ‰์‹ค์„๋‚ด์›ํ•˜๋Š”์ค‘ํ™˜์ž์—๋Œ€ํ•œ์ง„๋ฃŒ๋ฟ๋งŒ์•„๋‹ˆ๋ผ๊ฒฝํ™˜์ž์—๋Œ€ํ•œ์ง„๋ฃŒ์—๋„์˜ํ–ฅ์„์ฃผ์–ด๊ฒฐ๊ณผ์ ์œผ๋กœํ™˜์ž๋“ค์˜์˜๋ฃŒ์„œ๋น„์Šค์—๋Œ€ํ•œ๋ถˆ๋งŒ์„๊ฐ€์ค‘์‹œํ‚ค๊ฒŒ๋œ๋‹ค. ๋˜ํ•œ๋‚ด์›ํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์„์ฆ๊ฐ€์‹œํ‚ค๋Š”์›์ธ์ด๋˜์–ด๋ณ‘์›๊ฒฝ์Ÿ๋ ฅ์—๋„๋ถ€์ •์ ์ธ์˜ํ–ฅ์„๋ฏธ์น˜๊ฒŒ๋œ๋‹ค. ๊ณผ๋ฐ€ํ™”๋ฅผ๊ฐœ์„ ํ•˜๊ธฐ์œ„ํ•ด์„œ๋Š”์ง„๋ฃŒ๊ณผ์ •์—์„œ๋ถˆํ•„์š”ํ•œ๋Œ€๊ธฐ๋ฐ์ง„๋ฃŒ์ง€์—ฐ์„์ผ์œผํ‚ค๋Š”๋ณ‘๋ชฉ๊ตฌ๊ฐ„์„์ฐพ์•„๋‚ด์–ด์ด๋ฅผ๊ฐœ์„ ํ•˜๋Š”๋…ธ๋ ฅ์ดํ•„์š”ํ•˜๋‹ค. ์ง€๊ธˆ๊นŒ์ง€๋„๋ณ‘์›์‘๊ธ‰์‹ค์—์„œํ™˜์ž์˜๋Œ€๊ธฐ, ์ง„๋ฃŒ์ง€์—ฐ๋“ฑ์€์‘๊ธ‰์‹คํ™˜๊ฒฝ์˜ํŠน์ˆ˜์„ฑ ๋…ผ๋ฌธ์ ‘์ˆ˜์ผ :2009๋…„ 03์›” 17์ผ ๋…ผ๋ฌธ์ˆ˜์ •์ผ :2009๋…„ 07์›” 01์ผ ๊ฒŒ์žฌํ™•์ •์ผ :2009๋…„ 10์›” 12์ผ ๊ต์‹ ์ €์ž youngh@yonsei.ac.kr

18 ์ด์ •๋งŒ ๊น€๋ฏธ์ด ๊น€๋™ํ˜„ ์ด์ข…์ผ ๊น€๊ธฐ๋งŒ ์ด์˜ํ›ˆ ๊น€์Šนํ˜ธ ๋ฐ•์œ ์„ ์œผ๋กœ์ธํ•ดํ™˜์ž๋‚˜์˜๋ฃŒ์ง„์กฐ์ฐจ๋„ํ™˜์ž์ง„๋ฃŒ์˜์ผ์ƒ์ ์ธํ•œ๊ณผ์ •์ด๋ผ๊ณ ์ƒ๊ฐํ•˜์˜€๋‹ค. ๊ทธ๋Ÿฌ๋‚˜์ง€์—ฐ์—๋Œ€ํ•œ์›์ธ์„๋ถ„์„ํ•œ Litvak[2] ๋Š”๊ทธ์˜์ตœ๊ทผ์—ฐ๊ตฌ์—์„œ๋Œ€๊ธฐ๋‚˜์ง„๋ฃŒ์ง€์—ฐ๋“ฑ์ด์ง„๋ฃŒ์˜ํ•œ๊ณผ์ •์ด์•„๋‹˜์„๋ณด์—ฌ์ฃผ๊ณ ์žˆ๋‹ค. ๋”ฐ๋ผ์„œ์‘๊ธ‰์ง„๋ฃŒํ”„๋กœ์„ธ์Šค์ „๋ฐ˜์„๋Œ€์ƒ์œผ๋กœํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„์„์ตœ์†Œํ™”ํ•˜๊ณ ํ™˜์žํ๋ฆ„์„์ตœ์ ํ™”ํ•˜๋Š”๊ฒƒ์€ํ™˜์ž๋Œ€๊ธฐ๋‚˜์ง„๋ฃŒ์ง€์—ฐ์„์ง„๋ฃŒ์˜๋‹จ์ˆœํ•œํ•˜๋‚˜์˜๊ณผ์ •์ด๋ผ๊ธฐ๋ณด๋‹ค๋Š”์ด๋ฅผ๊ฐœ์„ ํ•˜๊ธฐ์œ„ํ•˜์—ฌ์–ด๋–คํ”„๋กœ์„ธ์Šค๊ฐ€๊ฐ€์žฅํฐ์˜ํ–ฅ์„์ฃผ๋Š”๊ฐ€๋ฅผํ‰๊ฐ€ํ•˜๊ณ ๊ฐœ์„ ๋ฐฉ๋ฒ•์„๊ฐœ๋ฐœํ•˜์—ฌ์‹คํ–‰ํ•˜๋Š”๊ณผ์ •์ดํ•„์š”ํ•˜๋‹ค. ๋”ฐ๋ผ์„œ๋ณธ์—ฐ๊ตฌ์—์„œ๋Š” Y๋ณ‘์›์‘๊ธ‰์‹ค์˜ํ”„๋กœ์„ธ์Šค๋ฅผ๋ถ„์„ํ•˜์—ฌํ™˜์ž๋Œ€๊ธฐ์‹œ๊ฐ„์ฆ๊ฐ€์›์ธ์„ํŒŒ์•…ํ•˜๊ณ ์ด๋ฅผ๊ฐœ์„ ํ•˜์—ฌํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์„์ตœ์†Œํ™”ํ•˜๋Š”๋ฐฉ์•ˆ์„์ œ์‹œํ•˜๊ณ ์žํ•œ๋‹ค. ๊ฐœ์„ ๋ฐฉ์•ˆ์„์—ฐ๊ตฌํ•˜๋Š”๋ฐฉ๋ฒ•์œผ๋กœ๋Š”์‘๊ธ‰์‹ค๊ณผ๋ฐ€ํ™”์ง€ํ‘œ๊ฐœ๋ฐœ๊ณผ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„์ด์šฉํ•œํ”„๋กœ์„ธ์Šค์ƒ์˜๋ณ‘๋ชฉ์ง€์ ์‹๋ณ„๋“ฑ๋Œ€๊ธฐ์‹œ๊ฐ„๋ฐœ์ƒ์›์ธ์„๋ถ„์„ํ•˜์—ฌ๊ฐœ์„ ํ•˜๋Š”๋ฐฉ๋ฒ•๋“ฑ์ด์žˆ๋‹ค. ํŠนํžˆ, ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ฐฉ๋ฒ•์€์‹ค์ œ์˜์‹œ์Šคํ…œ์„๊ด€์ฐฐ๋ฐ์„ค๊ณ„ํ•˜๊ณ ํƒ€๋‹น์„ฑ์„๊ฒ€์ฆํ•˜๋Š”๋ฐฉ๋ฒ•์„์ ์šฉํ•˜๋Š”๋ฐ์žˆ์–ด์„œ์•„์ฃผ์œ ์šฉํ•œ๊ธฐ๋ฒ•์œผ๋กœ์‘๊ธ‰์ง„๋ฃŒ์ฒด๊ณ„์™€๊ด€๋ จ๋œ์—ฐ๊ตฌ์—์„œ์ข…์ข…์‚ฌ์šฉ๋˜์–ด์˜ค๊ณ ์žˆ๋‹ค. Su and Shih[7] ๋Š”์ปดํ“จํ„ฐ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„์ด์šฉํ•˜์—ฌ์‘๊ธ‰์˜๋ฃŒ์„œ๋น„์Šค์‹œ์Šคํ…œ์„๊ฐœ์„ ํ•˜๊ธฐ์œ„ํ•ด์ž์›์žฌํ• ๋‹น๋ฐฉ๋ฒ•์„์—ฐ๊ตฌํ•˜์˜€๊ณ , Rosseti ๋“ฑ [6] ์€๋ณ‘์›์˜์‚ฌ์˜์ตœ์ ์Šค์ผ€์ฅด์„๊ฒฐ์ •ํ•˜๊ธฐ์œ„ํ•ด์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ธฐ๋ฒ•์„๊ฐœ๋ฐœํ•˜์˜€์œผ๋ฉฐ๊ทธ์™ธ์—๋„ Connelly and Bair[1], Macdonald ๋“ฑ [4] ์ด์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ธฐ๋ฒ•์œผ๋กœ์‘๊ธ‰์‹ค์—๋Œ€ํ•œ์—ฐ๊ตฌ๋ฅผ์ง„ํ–‰ํ•˜์˜€๋‹ค. ๋ณธ์—ฐ๊ตฌ์—์„œ๋„์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ธฐ๋ฒ•์„ํ™œ์šฉํ•œ๋‹ค. Litvak ๋“ฑ [3] ์ด์–ธ๊ธ‰ํ•˜์˜€๋“ฏ์ด์‘๊ธ‰ํ™˜์ž์˜๋ถˆํ•„์š”ํ•œ๋Œ€๊ธฐ์™€์ง€์—ฐ์„ํ•ด์†Œํ•˜๊ธฐ์œ„ํ•ด์„œ๋Š”์ง„๋ฃŒ์ ˆ์ฐจ์ƒ์˜๋ณ‘๋ชฉ๊ตฌ๊ฐ„์„์ฐพ์•„๋ณด๊ณ ์ด๋ฅผ๊ฐœ์„ ํ•ด์•ผํ•˜๋Š”๋ฐ์ด๋ฅผ์œ„ํ•ด๋ณธ์—ฐ๊ตฌ์—์„œ๋Š” Y๋ณ‘์›์˜์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ๋ฅผ๋Œ€์ƒ์œผ๋กœ์‘๊ธ‰์‹คํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„์—์˜ํ–ฅ์„์ฃผ๋Š”ํ”„๋กœ์„ธ์Šค๋ฅผ๋ถ„์„ํ•˜๊ณ ๊ฐœ์„ ํ•˜๋Š”๊ฒƒ์„์ค‘์ ์œผ๋กœ๋‹ค๋ฃจ์—ˆ๋‹ค. ์ด๋ฅผ์œ„ํ•ด Y๋ณ‘์›์‘๊ธ‰์‹ค์˜์ „์‚ฐ์ž๋ฃŒ (2007๋…„) ์™€์ธํ„ฐ๋ทฐ๋ฐ๊ด€์ฐฐ์„ํ†ตํ•ดํš๋“ํ•œ์ž๋ฃŒ๋ฅผ๋ฐ”ํƒ•์œผ๋กœ๋‚ด์›ํ™˜์ž๋“ค์˜์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค๋ณ„๋ถ„ํฌ, ๋Œ€๊ธฐ์‹œ๊ฐ„, ์ฒด๋ฅ˜์‹œ๊ฐ„๊ณผ์˜์ƒํ˜ธ๊ด€๊ณ„๋ฅผ๋ถ„์„ํ•˜๊ณ ์‹œ๋ฎฌ๋ ˆ์ด์…˜์†Œํ”„ํŠธ์›จ์–ด์ธ ARENA 7.0์„์ด์šฉํ•˜์—ฌ์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค๋ฅผ๋ชจ๋ธ๋งํ•˜๊ณ ๊ฒ€์ฆํ•˜์˜€๋‹ค. ๋˜ํ•œ๊ฒ€์ฆ๋œ๋ชจ๋ธ์—๋Œ€ํ•˜์—ฌ๋ฐ˜๋ณต์ ์ธ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„์ˆ˜ํ–‰ํ•˜์—ฌ๋ณ‘๋ชฉ์ง€์ ์„ํ™•์ธํ•˜๊ณ ์ฒด๋ฅ˜์‹œ๊ฐ„์„์ค„์ด๊ธฐ์œ„ํ•œ๋Œ€์•ˆ์„ ์ •๋ฐ๊ฒ€์ฆ๊ณผ๋ถ„์„์„์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ๋ณธ๋…ผ๋ฌธ์€๋‹ค์Œ๊ณผ๊ฐ™์ด๊ตฌ์„ฑ๋œ๋‹ค. ์ œ 2์žฅ์—์„œ๋Š”์—ฐ๊ตฌ๋ชฉ์ , ๋Œ€์ƒ๋ฐ๋ฒ”์œ„๋ฅผ์ƒ์ˆ ํ•˜๊ณ , ์ œ 3์žฅ์—์„œ๋Š”์‘๊ธ‰์ง„๋ฃŒ์ฒด๊ณ„์—๋Œ€ํ•œ๋ชจ๋ธ๋ง๋ฐ๊ตฌ์ถ•ํ•œ๋ชจ๋ธ์˜ํƒ€๋‹น์„ฑ์„๋ถ„์„ํ•œ๋‹ค. ์ œ 4์žฅ์—์„œ๋Š”ํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œ๋ฅผ์œ„ํ•ดํ•„์š”ํ•œ ๋Œ€์•ˆ์„์ œ์‹œํ•˜๊ณ ํ‰๊ฐ€ํ•˜๋ฉฐ์ œ 5์žฅ๊ฒฐ๋ก ์—์„œ๋Š”์—ฐ๊ตฌ๊ฒฐ๊ณผ๋ฅผ์š”์•ฝํ•˜๊ณ ์—ฐ๊ตฌ์˜์‹œ์‚ฌ์ ๋ฐํ–ฅํ›„์—ฐ๊ตฌ๋ฐฉํ–ฅ์„์ œ์‹œํ•œ๋‹ค. 2. ์—ฐ๊ตฌ๋ชฉ์ , ๋Œ€์ƒ๋ฐ๋ฒ”์œ„๋ณธ์—ฐ๊ตฌ๋Š”์‘๊ธ‰์‹ค์˜ํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„์—์ค‘๋Œ€ํ•œ์˜ํ–ฅ์„๋ฏธ์น˜๋Š”ํ”„๋กœ์„ธ์Šค์ƒ์˜๋ณ‘๋ชฉ์ง€์ ์„ํŒŒ์•…ํ•˜๊ณ ์ด๋ฅผ๊ฐœ์„ ํ•˜์—ฌํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ฐ์†Œ์‹œํ‚ค๋Š”๋ฐ๋ชฉ์ ์ด์žˆ๊ณ ์ด๋ฅผ์œ„ํ•ด 3์ฐจ์˜๋ฃŒ๊ธฐ๊ด€์—์†ํ•˜๋Š” Y๋ณ‘์›์˜์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ๋ฅผ์—ฐ๊ตฌ๋Œ€์ƒ์œผ๋กœ์„ ์ •ํ•˜์˜€๋‹ค. Y๋ณ‘์›์˜์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ๋กœ๋‚ด์›ํ•˜๋Š”์‘๊ธ‰ํ™˜์ž๋Š”์ผ์ผํ‰๊ท  190๋ช…์œผ๋กœ์•ฝ 7.5 ๋ถ„์„์ฃผ๊ธฐ๋กœ 1๋ช…์”ฉ๋ฐœ์ƒํ•˜๊ณ ์žˆ๋‹ค. ์‘๊ธ‰ํ™˜์ž๋Š”์ž๊ฐ€์ฐจ๋Ÿ‰๋˜๋Š”๊ตฌ๊ธ‰์ฐจ๋ฅผํ†ตํ•ด์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ์—๋„์ฐฉํ•˜๊ณ ์ง„์ฐฐ์‹ค๋˜๋Š”์ œ๋…์‹ค์—์„œ๋ถ„๋ฅ˜๊ฐ€์ด๋ฃจ์–ด์ง„ํ›„์ ‘์ˆ˜์ดํ›„์—์‘๊ธ‰์ •๋„๋ฐ๋‚˜์ด๋“ฑ์˜ํ™˜์ž์œ ํ˜•์—๋”ฐ๋ผ์ค‘ํ™˜๊ตฌ์—ญ (A), ์„ฑ์ธ๊ตฌ์—ญ (B), ์†Œ์•„๊ตฌ์—ญ (P) ์œผ๋กœ์ž…์‹คํ•˜์—ฌ์ง„๋ฃŒ๊ฐ€์ด๋ฃจ์–ด์ง„๋‹ค. ๋ณธ๋…ผ๋ฌธ์˜์—ฐ๊ตฌ๋ฒ”์œ„๋Š”์‘๊ธ‰ํ™˜์ž๊ฐ€์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ๋ฅผ๋ฐฉ๋ฌธํ•˜์—ฌ์ง„๋ฃŒ๋ฐ๊ฒ€์‚ฌ, ์น˜๋ฃŒ๋ฅผํ†ตํ•ด๋ณ‘๋™์ž…์›์ด๋‚˜ํ‡ด์›๋“ฑํ™˜์ž์˜๊ฑฐ์ทจ๊ฐ€๊ฒฐ์ •๋˜๋Š”๊ณผ์ •๊นŒ์ง€์„ค์ •ํ•˜์˜€๋‹ค. ์ด๋ฅผ์œ„ํ•ด Y๋ณ‘์›์‘๊ธ‰์˜๋ฃŒ์„ผํ„ฐ์˜์›”๋ณ„๋ฐ์ดํ„ฐ๋ฅผ๋ถ„์„ํ•œ๊ฒฐ๊ณผ, < ๊ทธ๋ฆผ 1> ์—์„œ์™€๊ฐ™์ดํ™˜์ž์˜์‘๊ธ‰์‹คํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„์€์•ฝ 450๋ถ„์ด๊ณ ์ด์ค‘๋Œ€๊ธฐ์‹œ๊ฐ„์ด์ „์ฒด์˜ 52% ๋ฅผ์ฐจ์ง€ํ•˜์˜€๋‹ค. ๋ฌผ๋ก , ํ™˜์ž๋Š”ํ˜‘์ง„์ด๋‚˜๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ๊ธฐ๋‹ค๋ฆฌ๋Š”์ค‘์—๋„์˜๋ฃŒ์ง„์œผ๋กœ๋ถ€ํ„ฐ์„œ๋น„์Šค๋ฅผ์ œ๊ณต๋ฐ›์ง€๋งŒ์‘๊ธ‰์‹ค๋‚ด์›ํ™˜์ž์ค‘๋ณ‘๋™์œผ๋กœ์ž…์›ํ•˜์ง€์•Š๊ณ ์น˜๋ฃŒํ›„๊ท€๊ฐ€ํ•˜๋Š”ํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์˜๋‹จ์ถ•์„๋ชฉ์ ์œผ๋กœํ•˜๋Š”๋ณธ์—ฐ๊ตฌ์˜๋ชฉ์ ์ƒ์ž…, ํ‡ด์›๊ฐ™์€๊ฑฐ์ทจ๊ฒฐ์ •์ดํ™•์ธ๋˜๋Š”์‹œ์ ๊นŒ์ง€์˜์†Œ์š”์‹œ๊ฐ„์„ํŒ๋‹จํ•˜๊ธฐ์œ„ํ•ด < ๊ทธ๋ฆผ 1> ๊ณผ๊ฐ™์ด๋Œ€๊ธฐ์‹œ๊ฐ„์„๊ตฌ๋ถ„ํ•˜์˜€๋‹ค. < ๊ทธ๋ฆผ 1> Y๋ณ‘์›์‘๊ธ‰์‹ค์˜ํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„๋ถ„ํฌ

์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•์„์œ„ํ•œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ถ„์„ 19 3. ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ๋ง๋ฐ๋ถ„์„ ์‹œ๋ฎฌ๋ ˆ์ด์…˜์—์˜ํ•œ์‘๊ธ‰์‹ค์˜ํ”„๋กœ์„ธ์Šค๋ฅผ๊ฐœ์„ ํ•˜์—ฌํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ฐ์†Œ์‹œํ‚ค๊ธฐ์œ„ํ•ด์„œ๋Š”์‘๊ธ‰์‹ค์ง„๋ฃŒ์ฒด๊ณ„์—๋Œ€ํ•œ์ •ํ™•ํ•œ๋ชจ๋ธ๋ง๋ฐ์ž…๋ ฅ์ž๋ฃŒ์—๋Œ€ํ•œ๋ถ„์„์ž‘์—…์ดํ•„์š”ํ•˜๋‹ค. 3.1 ๋ชจ๋ธ๋ง ์‘๊ธ‰์‹ค์ง„๋ฃŒ์ฒด๊ณ„๋Š” < ๊ทธ๋ฆผ 2> ์—์„œ์™€๊ฐ™์ด๋„๋ณด ( ์ž๊ฐ€์ฐจ๋Ÿ‰ํฌํ•จ ) ์™€๊ตฌ๊ธ‰์ฐจ๋กœ๋„์ฐฉํ•˜๋Š”ํ™˜์ž๋กœ๊ตฌ๋ถ„ํ•˜์—ฌํ”„๋กœ์„ธ์Šค๋ฅผ์ง„ํ–‰ํ•˜๋˜, ๋„๋ณดํ™˜์ž๋Š”๋„์ฐฉํ›„์ค‘์ฆ๋„๋ถ„๋ฅ˜์†Œ์™€์ง„์ฐฐ์‹ค์„๊ฑฐ์ณ์ ‘์ˆ˜๋ฅผ์ง„ํ–‰ํ•œํ›„์ค‘ํ™˜์ž, ์„ฑ์ธ, ์†Œ์•„๊ตฌ์—ญ์œผ๋กœ๊ฐ๊ฐ์ด๋™ํ•˜๊ณ ๊ตฌ๊ธ‰์ฐจ๋กœ๋„์ฐฉํ•˜๋Š”ํ™˜์ž๋Š”์ œ๋…์‹ค์—์„œ์ค‘์ฆ๋„๋ถ„๋ฅ˜๊ฐ€์ด๋ฃจ์–ด์ง„ํ›„์ ‘์ˆ˜์™€๋™์‹œ์—๊ฐ๊ตฌ์—ญ์œผ๋กœ์ด๋™ํ•˜์—ฌ์ง„๋ฃŒ๋ฅผ๋ฐ›๋Š”๋‹ค. ์‘๊ธ‰์‹ค์—์„œ๋Š”์ž์ฒด X-ray ์™€ CT ์ดฌ์˜์ด๊ฐ€๋Šฅํ•˜๋ฉฐํ˜ˆ์•ก๋ฐ๋‡จ๊ฒ€์‚ฌ๋Š”๊ฐ„ํ˜ธ์‚ฌ์—์˜ํ•ด์ฑ„์ทจ๋œํ›„๋ณ‘์›์˜์ค‘์•™๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋กœ๋ณด๋‚ด์ ธ๊ฒ€์‚ฌ๊ฐ€์ด๋ฃจ์–ด์ง„๋‹ค. ๊ฐ๊ตฌ์—ญ์—์„œ๋Š”ํ•„์š”์‹œํ˜‘์ง„์ด์ด๋ฃจ์–ด์ง€๊ณ ์ด๋Ÿฌํ•œ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฐํ˜‘์ง„์„ํ†ตํ•ด์ตœ์ข…์ง„๋‹จ์ด๋‚˜์˜ค๊ฒŒ๋˜๋ฉด์ž…์›์ด๋‚˜ํ‡ด์›๋“ฑํ™˜์ž์˜๊ฑฐ์ทจ๊ฐ€๊ฒฐ์ •๋œ๋‹ค. ์•ž์„œ๊ธฐ์ˆ ํ•œ์‘๊ธ‰์ง„๋ฃŒ์ฒด๊ณ„๋ฅผ๋ฐ”ํƒ•์œผ๋กœํ”„๋กœ์„ธ์Šค๋ณ„๋ชจ๋“ˆ์„์ƒ์„ฑํ•˜๊ณ ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ๋ง์„์œ„ํ•˜์—ฌ์•„๋ž˜์™€๊ฐ™์€๊ฐ€์ •์„์„ค์ •ํ•˜์˜€๋‹ค. ๊ฐ€. ์˜์‚ฌ๋ฐ๊ฐ„ํ˜ธ์‚ฌ๊ฐ„์˜๋Šฅ๋ ฅ์€๋™์ผ๋‚˜. ์ด๋ฏธ์ง„๋ฃŒ์ค‘์ธํ™˜์ž๋Š”๊ณ ๋ คํ•˜์ง€์•Š๊ณ ์ƒˆ๋กœ๋„์ฐฉํ•˜๋Š”ํ™˜์ž๋งŒ์„๊ณ ๋ ค๋‹ค. ํ˜‘์ง„, X-ray ์ดฌ์˜๋“ฑ๊ฐ์ข…๊ฒ€์‚ฌ๋Œ€์ƒ์ธ์›์˜์ˆ˜๋Š”๋ณ‘์› DB ์—๊ธฐ์ดˆํ•˜์—ฌ์ผ์ •๋น„์œจ์„์ ์šฉ < ๊ทธ๋ฆผ 3> Y ๋ณ‘์›์‘๊ธ‰์‹ค๋ฐฐ์น˜๋„ ๋˜ํ•œ, < ๊ทธ๋ฆผ 3> ๊ณผ๊ฐ™์€์‘๊ธ‰์‹ค์˜ layout ์„๋ฐ”ํƒ•์œผ๋กœ๊ตฌ์—ญ๋ณ„์˜๋ฃŒ์ง„ํŽธ์„ฑ๊ณผ๋ฐฐ์น˜, ํ™˜์ž์ง„๋ฃŒ์ ˆ์ฐจ๋ฐ๊ฒ€์‚ฌ๊ณผ์ •์„๋ชจ๋ธ๋งํ•˜์˜€๋‹ค. ์ด๋ฅผ์œ„ํ•œ๊ณ ๋ ค์‚ฌํ•ญ์œผ๋กœ Y ๋ณ‘์›์˜์‘๊ธ‰์‹ค์€์ค‘ํ™˜๊ตฌ์—ญ๊ณผ์„ฑ์ธ๋ฐ์•„๋™๊ตฌ์—ญ์œผ๋กœ๋‚˜๋ˆ„์–ด์ ธ์žˆ๊ณ ์ค‘ํ™˜๊ตฌ์—ญ๋‚ด์—์„œ๋„ํ™˜์ž์˜์ค‘์ฆ๋„์ฐจ์ด์—๋”ฐ๋ผ์น˜๋ฃŒํ•˜๋Š”์œ„์น˜์—์ฐจ์ด๊ฐ€์žˆ์œผ๋ฉฐ์†Œ์•„์˜๊ฒฝ์šฐ์—๋Š”์„ฑ์ธ์ด์‘๊ธ‰์‹ค๋„์ฐฉํ›„์ง„์ฐฐ์‹ค์—์„œ์ค‘์ฆ๋„๋ถ„๋ฅ˜๋ฐ์ง„๋ฃŒ๊ตฌ์—ญ์ด๋‚˜๊ท€๊ฐ€, ์ „์›๋“ฑ๊ฑฐ์ทจ๋ฅผ๊ฒฐ์ •ํ•œํ›„์ ‘์ˆ˜ํ•˜๋Š”๊ฒƒ๊ณผ๋Š”๋‹ฌ๋ฆฌ๋„์ฐฉ๊ณผ๋™์‹œ์—์ ‘์ˆ˜๋ฅผํ•˜๊ณ ์†Œ์•„๊ตฌ์—ญ์œผ๋กœ์ด๋™ํ•˜์—ฌ์ง„๋ฃŒ๋ฅผ๋ฐ›๋„๋กํ•˜์˜€๋‹ค. 3.2 ์ž…๋ ฅ์ž๋ฃŒ๋ถ„์„๋ฐํƒ€๋‹น์„ฑํ‰๊ฐ€ ์ž…๋ ฅ์ž๋ฃŒ๋กœ๋Š” Y ๋ณ‘์›์‘๊ธ‰์‹ค์›”๋ณ„์ „์‚ฐ์ž๋ฃŒ (2007) ์™€์ธํ„ฐ๋ทฐ๋ฐ๊ด€์ฐฐ๊ฒฐ๊ณผ๋ฅผ์ด์šฉํ•˜์˜€๊ณ ์ˆ˜์ง‘๋œ๋ฐ์ดํ„ฐ๋“ค์€์ž…๋ ฅ์ž๋ฃŒ์˜๋ถ„ํฌ์ถ”์ •๋ฐ๋ชจ์ˆ˜์ถ”์ •, ์ ํ•ฉ๋„๊ฒ€์ •์„ํ†ตํ•ด๋ชจ๋ธ์—๋ฐ˜์˜ํ•˜์˜€๋‹ค. ์‘๊ธ‰์‹ค์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ๋ง์—์ ์šฉํ•œ๋ฐ์ดํ„ฐ๋Š”์˜๋ฃŒ์ง„์—์˜ํ•œ์„œ๋น„์Šค์†Œ์š”์‹œ๊ฐ„, ์˜๋ฃŒ์ง„ํŽธ์„ฑ, ํ™˜์ž๋ถ„๋ฅ˜๋ฐ๊ฒ€์‚ฌ๋น„์œจ, ํƒ€๋ถ€์„œ์—ฐ๊ณ„์ฒ˜์น˜์‹œ๊ฐ„์œผ๋กœ < ํ‘œ 1> ์„œ๋น„์Šค์†Œ์š”์‹œ๊ฐ„๋ฐ์˜๋ฃŒ์ง„ํŽธ์„ฑ Time(min) Time(min) < ๊ทธ๋ฆผ 2> ์‘๊ธ‰์‹ค์ง„๋ฃŒํ”„๋กœ์„ธ์Šค Triage Resuscitation Registration Treatment Pediatric Treatment Reference (1, 3, 5) (3, 5, 7) (1, 2, 3) X-ray Normal(7, 10) Laboratory Test Diagnosis (6, 8, 10) Organization (Persons) (3, 5, 7) (2, 4, 6) (3, 5, 7) Doctor(A, B, P) = (3, 1, 1) Nurse(A,B,P = (5, 6, 5) A : Adult Area/Critical, P : Pediatric Area B : Adult Area/Stable,

20 ์ด์ •๋งŒ ๊น€๋ฏธ์ด ๊น€๋™ํ˜„ ์ด์ข…์ผ ๊น€๊ธฐ๋งŒ ์ด์˜ํ›ˆ ๊น€์Šนํ˜ธ ๋ฐ•์œ ์„ ํฌ๊ฒŒ๋‚˜๋ˆŒ์ˆ˜์žˆ๋Š”๋ฐ์„œ๋น„์Šค์†Œ์š”์‹œ๊ฐ„์€๊ฐ์ง„๋ฃŒํ”„๋กœ์„ธ์Šค๋ณ„์†Œ์š”๋˜๋Š”์‹œ๊ฐ„์„์˜๋ฏธํ•˜๋Š”๊ฒƒ์œผ๋กœ์ „์‚ฐ์ž๋ฃŒ๋ฅผํ†ตํ•˜์—ฌ < ํ‘œ 1> ๊ณผ๊ฐ™์€๋ถ„ํฌ๋กœ๊ฐ€์ •ํ•˜์˜€๊ณ ์˜๋ฃŒ์ง„ํŽธ์„ฑ์€๊ฐ๊ตฌ์—ญ์—์„œ ( ์„ฑ์ธ๊ตฌ์—ญ, ์†Œ์•„๊ตฌ์—ญ, ์ค‘ํ™˜๊ตฌ์—ญ ) ์‹œ๊ฐ„๋Œ€๋ณ„๋กœ์šด์˜๋˜๊ณ ์žˆ๋Š”์˜๋ฃŒ์ง„์˜์ˆ˜๋ฅผ์˜๋ฏธํ•œ๋‹ค. < ํ‘œ 2> ์˜ํ™˜์ž๋ถ„๋ฅ˜๋ฐ๊ฒ€์‚ฌ๋น„์œจ์€์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์—์„œํ™˜์ž๋ฅผํ†ต๊ณ„์ ์œผ๋กœ๋ฌ˜์‚ฌํ•˜๊ธฐ์œ„ํ•œ์ˆ˜์น˜๋กœ์‘๊ธ‰๋ฐ๋น„์‘๊ธ‰ํ™˜์ž์˜๋น„์œจ, ๊ตฌ์—ญ๋ณ„ํ™˜์ž๋ฐœ์ƒ๋น„์œจ, ๋ฏธ์ ‘์ˆ˜๋ฐ์ž…์›๋น„์œจ, X-ray ๋“ฑ๊ฒ€์‚ฌ๋น„์œจ๋“ฑ์„์˜๋ฏธํ•˜๋ฉฐ์ „์‚ฐ์ž๋ฃŒ๋ฐ์ธํ„ฐ๋ทฐ๋ฅผํ†ตํ•ดํš๋“ํ•˜์˜€๋‹ค. < ํ‘œ 2> ํ™˜์ž๋ถ„๋ฅ˜๋ฐ๊ฒ€์‚ฌ๋น„์œจ Ratio Ratio Patient Arrival Walking(75%), Ambulance(25%) Adult(70%), Child(30%) Laboratory Test 95% Not Registered 20% X-ray 99% Admission 36% Consultation 60% < ํ‘œ 3> ์˜ํƒ€๋ถ€์„œ์—ฐ๊ณ„์ฒ˜์น˜์‹œ๊ฐ„์€์‘๊ธ‰์‹ค์ด์™ธ์˜๋ณ‘์›๋ถ€์„œ์™€์˜ํ˜‘์กฐ๋œ์ง„๋ฃŒ๊ณผ์ •์œผ๋กœ์‹œ๊ฐ„์ด๋งŽ์ด์†Œ์š”๋˜๋Š”ํŠน์ง•์ด์žˆ๋Š”ํ˜‘์ง„, ๋ณ‘๋™์ž…์›, ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ณผ์ •์ดํฌํ•จ๋˜๊ณ ์ „์‚ฐ์ž๋ฃŒ๋ฅผํ†ตํ•ดํš๋“ํ•˜์˜€๋‹ค. < ํ‘œ 3> ํƒ€๋ถ€์„œ์—ฐ๊ณ„์ฒ˜์น˜์‹œ๊ฐ„ Distribution Consultation(sec) 2+WEIB(3.17e + 003, 0.465) Admission(sec) -3,590 + 82,800*Beta(0.649, 5.33) Laboratory Test(min) (60, 84, 110) ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์˜์‹ ๋ขฐ๋ฅผ๋ณด์žฅํ•˜๊ธฐ์œ„ํ•ด์„œ๋Š”์šฐ์„ ์ž…๋ ฅ์ž๋ฃŒ์˜๋ถ„ํฌ๋ฅผ์ •ํ™•ํžˆ์ถ”์ •ํ•˜์—ฌ์‚ฌ์šฉํ•˜์—ฌ์•ผํ•œ๋‹ค. ์ด๋ฅผ์œ„ํ•ด์šฐ์„ ๋ถ„ํฌ์˜์ถ”์ •์€๋„์ˆ˜๋ถ„ํฌ์™€๋ˆ„์ ๋ถ„ํฌ๋ฅผํ†ตํ•˜์—ฌ๋ถ„ํฌํ˜•ํƒœ๋ฅผ์ถ”์ •ํ•˜๊ณ ์ดํ›„๋ชจ์ˆ˜๋ฅผ์ถ”์ •ํ•œ๋‹ค์Œ๊ท€๋ฌด๊ฐ€์„ค์—๋Œ€ํ•œ์ ํ•ฉ๋„๊ฒ€์ •์„ํ†ตํ•ด๋ถ„ํฌํ˜•ํƒœ๋ฅผ๊ฒฐ์ •ํ•˜๊ฒŒ๋œ๋‹ค. ๋ณธ๋…ผ๋ฌธ์—์„œ๋Š”๋ถ„ํฌ์˜์ •ํ™•ํ•œ์ถ”์ •์„์œ„ํ•ด์•ž์—์„œ๊ธฐ์ˆ ํ•œ๋ชจ๋“ ์ ˆ์ฐจ๊ฐ€ํฌํ•จ๋˜์–ด์žˆ๋Š” Arena 7.0 ์˜ Input Analyzer ๋ฅผ์ด์šฉํ•˜์—ฌ์ž…๋ ฅ์ž๋ฃŒ๋ฅผ์ถ”์ •ํ•˜์˜€๋‹ค. < ํ‘œ 3> ์—์„œํ˜‘์ง„์—์†Œ์š”๋˜๋Š”์‹œ๊ฐ„๋ถ„ํฌ์˜๊ฒฝ์šฐ, ์‘๊ธ‰์‹ค์ „์‚ฐ์ž๋ฃŒ๋ฅผ์ถ”์ •ํ•œ ๊ฒฐ๊ณผ Square Error ๊ฐ€ 0.005165 ์ธ Weibull ๋ถ„ํฌ๋กœ์ถ”์ •ํ•˜์˜€๊ณ  Chi Square Test ๋ฅผํ†ตํ•ด์œ ์˜์ˆ˜์ค€์ด 0.005 ๋ฏธ๋งŒ์ž„์„ํ™•์ธํ• ์ˆ˜์žˆ์—ˆ๋‹ค. ๋ชจ๋ธ์˜ํƒ€๋‹น์„ฑ์—๋Œ€ํ•œ๊ฒ€์ฆ์ ˆ์ฐจ๋Š”์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์˜์‹ค์ œํ˜„์ƒ์—๋Œ€ํ•œํ‘œํ˜„์ •๋„์˜์ •ํ™•์„ฑ์„ํ™•์ธํ•˜๋Š”์ ˆ์ฐจ๋กœ๋ชจ๋ธ์‹คํ–‰๊ฒฐ๊ณผ์™€์‹ค์ œํ˜„์ƒ์—์„œ์˜๊ด€์ฐฐ๊ฒฐ๊ณผ๋ฅผ๋น„๊ต๋ถ„์„ํ•จ์œผ๋กœ์จ์–ป์–ด์งˆ์ˆ˜์žˆ๋‹ค. ํƒ€๋‹น์„ฑํ‰๊ฐ€์ ˆ์ฐจ์—์žˆ์–ด์„œ๋ชจ๋ธ๊ณผ์‹ค์ œํ˜„์ƒ์‚ฌ์ด์—๋ฐœ์ƒํ•˜๋Š”์ฐจ์ด๋Š”๋ชจ๋ธ์„๊ฐœ์„ ํ•˜๋Š”๋ฐ์‚ฌ์šฉ๋˜์–ด์งˆ์ˆ˜์žˆ๋‹ค. ์ด๋Ÿฌํ•œ๊ฐœ์„ ์ ˆ์ฐจ๋Š”์ ์ •์ˆ˜์ค€์˜์ •ํ™•๋„๋ฅผ๋‹ฌ์„ฑํ• ๋•Œ๊นŒ์ง€๋ฐ˜๋ณต๋œ๋‹ค. ๋ณธ์—ฐ๊ตฌ์—์„œ๋„ํƒ€๋‹น์„ฑํ‰๊ฐ€๋ฅผํ†ตํ•œ๋ชจ๋ธ์˜๊ฐœ์„ ์„์œ„ํ•˜์—ฌ Naylor and Finger[5] ์—์˜ํ•ด์„œ์ œ์‹œ๋œ Three-step ์ ‘๊ทผ๋ฒ•์„์‚ฌ์šฉํ•˜์˜€๋‹ค. Three-step ์ ‘๊ทผ๋ฒ•์€์šฐ์„ ์ธํ„ฐ๋ทฐ์™€ํ† ๋ก ์—์˜ํ•œํƒ€๋‹น์„ฑ๊ฒ€ํ† ๋ฅผ์‹œํ–‰ํ•œ๋‹ค. ์ด๊ฒƒ์€๊ด€๊ณ„์ž๋“ค๊ณผ์˜๋ฉด๋‹ด์„ํ†ตํ•ด๊ตฌ์ถ•๋œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์ด์‹ค์ œํ˜„์ƒ์„์ž˜๋ฐ˜์˜ํ•˜๋Š”์ง€๋ฅผํŒ๋‹จํ•˜๊ฒŒ๋œ๋‹ค. ๋‘๋ฒˆ์งธ๋‹จ๊ณ„์—์„œ๋Š”๊ด€์ฐฐ๋“ฑ์„ํ†ตํ•ด์„ค์ •ํ•œ๋ชจ๋ธ์˜๊ฐ€์ •์‚ฌํ•ญ์ดํƒ€๋‹นํ•œ์ง€๋ฅผํ‰๊ฐ€ํ•œ๋‹ค. ์„ธ๋ฒˆ์งธ๋‹จ๊ณ„์—์„œ๋Š”์ฃผ๊ด€์ ์ธ์ฒซ๋ฒˆ์งธ, ๋‘๋ฒˆ์งธ๋‹จ๊ณ„์™€๋‹ค๋ฅด๊ฒŒ๊ฐ๊ด€์ ์ธ๋ถ„์„๊ธฐ์ค€์„์‚ฌ์šฉํ•œ๋‹ค. ์ฆ‰, ํ˜„์‹ค์—์„œ์˜๋„์ถœ๋œ๋ฐ์ดํ„ฐ๋ฅผ์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ฒฐ๊ณผ๋ฐ์ดํ„ฐ์™€๋น„๊ตํ•˜์—ฌ๋ชจ๋ธ์ด์–ผ๋งˆ๋‚˜ํ˜„์‹ค์„๋ฐ˜์˜ํ•˜๋Š”์ง€๋ฅผํŒ๋‹จํ•˜๊ฒŒ๋˜๋Š”๋ฐ๋ณธ์—ฐ๊ตฌ์—์„œ๋Š”์ด๋ฅผ์œ„ํ•ด์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์„์ดˆ๊ธฐํ™”์‹œํ‚จ์ƒํƒœ์—์„œ 30 ์ผ์„์‹œ๋ฎฌ๋ ˆ์ด์…˜ํ•˜์—ฌํ™˜์ž๋„์ฐฉ์ดํ›„์—์ ‘์ˆ˜, ์ง„๋ฃŒ, ํ˜‘์ง„๊นŒ์ง€๋Œ€๊ธฐํ•ด์•ผํ•˜๋Š”์‹œ๊ฐ„์„๋„์ถœํ•˜์˜€๊ณ , Y ๋ณ‘์›์‘๊ธ‰์‹ค์—์„œ์ œ๊ณตํ•œ์ „์‚ฐ์ž๋ฃŒ๋ฅผํ† ๋Œ€๋กœ ARENA ์˜ Input Analyzer ๋ฅผ์ด์šฉํ•˜์—ฌ๋„์ถœํ•œํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„๊ณผ๋น„๊ตํ•˜์—ฌ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์˜ํƒ€๋‹น์„ฑ์„๊ฒ€์ฆํ•˜์˜€๋‹ค. < ํ‘œ 4> ๋Š”์ด๋ฅผ์œ„ํ•œ๊ฐ๊ตฌ๊ฐ„๋ณ„ํ™˜์ž์˜๋Œ€๊ธฐ์‹œ๊ฐ„ํ‰๊ท ๊ณผํ‘œ์ค€ํŽธ์ฐจ๋ฅผ๋‚˜ํƒ€๋‚ด๊ณ ์žˆ๋‹ค. ํ‘œ์—์„œ๋Š”์ ‘์ˆ˜์™€์ง„๋ฃŒ, ๊ทธ๋ฆฌ๊ณ ํ˜‘์ง„์„์œ„ํ•œ๋Œ€๊ธฐ์‹œ๊ฐ„์—์„œ๋Š”๊ทธ์ฐจ์ด๊ฐ€ 5% ๋ฏธ๋งŒ์œผ๋กœ๊ทธ๊ฒฐ๊ณผ๊ฐ€๋งค์šฐ์œ ์‚ฌํ•˜๋ฏ€๋กœ์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์—๋Œ€ํ•œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์„์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค๋ถ„์„์šฉ์œผ๋กœ์‚ฌ์šฉ๊ฐ€๋Šฅํ•จ์„์•Œ์ˆ˜์žˆ์—ˆ๋‹ค. < ํ‘œ 4> ๊ฐ๊ตฌ๊ฐ„๋ณ„ํ™˜์ž๋Œ€๊ธฐ์‹œ๊ฐ„๋น„๊ต Hospital Data Avg.(Srd.Dev.) Simulation Output Avg.(Srd.Dev.) Registration Wait Time 905.63(783.466) sec 908.21(562.93) sec Treatment Wait Time 1297.18(818.82) sec 1243.52(795.38) sec Consultation Wait Time 3757.70(11142.7) sec 3644.61(9827.4) sec ์ž…๋ ฅ์ž๋ฃŒ๋ฐ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์˜ํƒ€๋‹น์„ฑ์„๋ถ„์„ํ•จ์—๋”ฐ๋ผ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์€์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค์ƒ์˜๋ณ‘๋ชฉ์ง€์ ์„ํŒŒ์•…ํ•˜๊ณ ์ด๋ฅผ๊ฐœ์„ ํ•˜์—ฌํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ฐ์†Œํ•˜๋Š”๋ฐ์‚ฌ์šฉํ•˜๊ฒŒ๋œ๋‹ค. ์ด๋ฅผ์œ„ํ•ดํ”„๋กœ์„ธ์Šค๋ฅผ๊ฐœ์„ ํ•˜๊ธฐ์ „์˜์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ฒฐ๊ณผ๋ฅผ๋„์ถœํ•˜์—ฌ์•ž์œผ๋กœ์ œ์‹œํ•˜

์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•์„์œ„ํ•œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ถ„์„ 21 ๊ฒŒ๋˜๋Š”๋Œ€์•ˆ๊ฒฐ๊ณผ์™€๋น„๊ตํ•˜๋„๋กํ•œ๋‹ค. ๊ฐœ์„ ์ „์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ฒฐ๊ณผ์—๋”ฐ๋ฅธ์ง„๋ฃŒ๊ฒฐ๊ณผ๋ณ„ํ™˜์ž์˜ํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„์€ < ๊ทธ๋ฆผ 4> ์—์„œ์™€๊ฐ™์ด๋‹จ์ˆœ์ง„๋ฃŒํ›„ํ‡ด์›ํ•˜๋Š”ํ™˜์ž๋Š” 4.57์‹œ๊ฐ„, ์ž…์›ํ™˜์ž์ค‘ A( ์ค‘ํ™˜ ) ๊ตฌ์—ญํ™˜์ž๋Š” 20.22์‹œ๊ฐ„, B ( ์„ฑ์ธ ) ๊ตฌ์—ญํ™˜์ž๋Š” 18.82์‹œ๊ฐ„์ด์—ˆ์œผ๋ฉฐ P( ์†Œ์•„ ) ๊ตฌ์—ญํ™˜์ž๋Š” 17.97์‹œ๊ฐ„์ด์—ˆ๋‹ค. ํ–ฅ์„๋ฏธ์น˜์ง€์•Š๋Š”๋‹ค๋ฉด < ๊ทธ๋ฆผ 5> ์˜ํ”„๋กœ์„ธ์Šค์™€๊ฐ™์ดํ†ตํ•ฉ์‹œํ‚ฌํ•„์š”๊ฐ€์žˆ๋‹ค. < ๊ทธ๋ฆผ 5> ์ง„๋ฃŒ์ ˆ์ฐจํ†ตํ•ฉ์œผ๋กœ์ธํ•œ๊ฐ„์†Œํ™” < ๊ทธ๋ฆผ 4> ์‹œ๋ฎฌ๋ ˆ์ด์…˜์—๋”ฐ๋ฅธ์ง„๋ฃŒ๊ฒฐ๊ณผ๋ณ„ํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„ 4. ๋Œ€์•ˆ์ œ์‹œ๋ฐํ‰๊ฐ€ ์‹œ๋ฎฌ๋ ˆ์ด์…˜์ˆ˜ํ–‰๋ฐ์˜๋ฃŒ์ง„์ธํ„ฐ๋ทฐ๊ฒฐ๊ณผ์‘๊ธ‰์‹ค์ง„๋ฃŒํ”„๋กœ์„ธ์Šค์—๋Š”๋‘๊ฐ€์ง€๊ฐœ์„ ํ• ์ ์ด์žˆ๋Š”๊ฒƒ์œผ๋กœ๋ถ„์„๋˜์—ˆ๋‹ค. ์ฒซ์งธ๋กœ, ํ™˜์ž๋ถ„๋ฅ˜ํ”„๋กœ์„ธ์Šค๊ฐ€์ค‘์ฆ๋„๋ถ„๋ฅ˜์†Œ์™€์ง„์ฐฐ์‹ค์˜๋‘๊ณณ์—์„œ์ด๋ฃจ์–ด์ง€๊ณ ์žˆ๊ณ ํ™˜์ž์ง„๋ฃŒ๋„์ง„์ฐฐ์‹ค๊ณผ๊ฐ๊ตฌ์—ญ์—์„œ์˜์ง„๋ฃŒ๋กœ์ค‘๋ณต๋˜์–ดํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์„์ฆ๊ฐ€์‹œํ‚ค๊ณ ์žˆ์—ˆ๋‹ค. ๋‘˜์งธ๋กœ, ํŠน์ •ํ”„๋กœ์„ธ์Šค์—์„œ์žฅ์‹œ๊ฐ„๋Œ€๊ธฐ์‹œ๊ฐ„์ด๋ฐœ์ƒํ•˜๊ณ ์žˆ๋Š”๋ฐํŠนํžˆ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋Œ€๊ธฐ์‹œ๊ฐ„์ดํ‡ด์›ํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์ค‘ 30.5% ๋ฅผ์ฐจ์ง€ํ•˜๊ณ ์žˆ์—ˆ๋‹ค. ์ด๋Ÿฌํ•œ๋ฌธ์ œ๋ฅผํ•ด๊ฒฐํ•˜๊ธฐ์œ„ํ•œ๋Œ€์•ˆ์œผ๋กœ์ง„๋ฃŒ์ ˆ์ฐจ์˜๊ฐ„์†Œํ™”, ์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ, ์ง„๋ฃŒ์ ˆ์ฐจ๋ฅผ๊ฐ„์†Œํ™”์‹œํ‚จ์ƒํ™ฉ์—์„œ์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ์˜ 3 ๊ฐ€์ง€๋ฅผ์ œ์‹œํ• ์ˆ˜์žˆ์—ˆ๋‹ค. 4.1 ์ง„๋ฃŒ์ ˆ์ฐจ์˜๊ฐ„์†Œํ™” < ๊ทธ๋ฆผ 5> ์™€๊ฐ™์ดํ˜„์žฌ์‘๊ธ‰์‹ค์˜์ง„๋ฃŒํ”„๋กœ์„ธ์Šค๋Š”ํ™˜์ž๋„์ฐฉ, ์ค‘์ฆ๋„๋ถ„๋ฅ˜, ์ง„์ฐฐ์‹ค์ง„๋ฃŒ, ์ ‘์ˆ˜, ์ง„๋ฃŒ๊ตฌ์—ญ๋‚ด์ง„๋ฃŒ, ๊ฒ€์‚ฌ, ์ง„๋‹จ / ์น˜๋ฃŒ, ์ž…์› / ํ‡ด์›์˜์ˆœ์„œ๋กœ์ด๋ฃจ์–ด์ง€๊ณ ์žˆ๋‹ค. ์šฐ์„ , ํ™˜์ž์—๋Œ€ํ•œ์ ‘์ˆ˜์—ฌ๋ถ€๋ฐ์ง„๋ฃŒ์žฅ์†Œ๋ฅผ๋ถ„๋ฅ˜ํ•˜๋Š”์ ˆ์ฐจ์—์„œ๋Š”ํ™˜์ž๋„์ฐฉ์ดํ›„์ค‘์ฆ๋„๋ถ„๋ฅ˜์†Œ์™€์ง„์ฐฐ์‹ค์—์„œ๋‘๋‹จ๊ณ„๋กœ์ด๋ฃจ์–ด์ง€๊ณ ์žˆ๊ณ ์˜์‚ฌ์˜์ง„๋ฃŒ๋Š”์ง„์ฐฐ์‹ค์—์„œ 1 ์ฐจ์‹œํ–‰๋œํ›„๋‹ค์‹œ A, B ๊ตฌ์—ญ์—์„œ์ถ”๊ฐ€์ ์œผ๋กœ์ด๋ฃจ์–ด์ ธ์ง„๋ฃŒ์ ˆ์ฐจ๊ฐ€์ค‘๋ณต๋˜๊ณ ์žˆ๋‹ค. ์ด๋Ÿฌํ•œ์ƒํ™ฉ์—์„œํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œ์™€๊ณผ๋ฐ€ํ™”ํ•ด์†Œ๋ฅผ์œ„ํ•ด์„œ๋Š”์ค‘๋ณต๋˜๋Š”๋ถˆํ•„์š”ํ•œ์ ˆ์ฐจ๋ฅผํ†ตํ•ฉํ• ํ•„์š”๊ฐ€์žˆ๋‹ค. ๋”ฐ๋ผ์„œ์ง„๋ฃŒ์ ˆ์ฐจ์˜๊ฐ„์†Œํ™”๊ฐ€์˜๋ฃŒ์„œ๋น„์Šค์ˆ˜์ค€์—์‹ฌ๊ฐํ•œ์˜ ์ฆ‰, ํ˜„์žฌ์˜์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค์ค‘์ค‘์ฆ๋„๋ถ„๋ฅ˜์™€์ ‘์ˆ˜๋ฅผํ†ตํ•ฉํ•˜์—ฌ์ ‘์ˆ˜๋ฐ์Šคํฌ์—์„œํ™˜์ž๋ถ„๋ฅ˜๋ฐ์ ‘์ˆ˜๊ฐ€๋™์‹œ์—์ด๋ฃจ์–ด์ง€๊ณ ๊ฐ์ง„๋ฃŒ์‹ค ( ๊ตฌ๊ธ‰์ฐจ๋‚ด์›ํ™˜์ž : ์ œ๋…์‹ค / ๋„๋ณด๋‚ด์›์„ฑ์ธ : ์ง„์ฐฐ์‹ค / ์†Œ์•„ : ์†Œ์•„์ง„์ฐฐ์‹ค ) ๋กœ๋ณด๋‚ด์ง„ํ™˜์ž๋“ค์€์ง„์ฐฐ์„๋ฐ›๋˜๊ฐ๊ตฌ์—ญ (A, B, P) ์œผ๋กœ์˜์ด๋™ํ›„์—๋Š”์ถ”๊ฐ€์ ์ธ์ง„์ฐฐ์—†์ด์น˜๋ฃŒ๋ฅผ๋ฐ›์„์ˆ˜์žˆ๋„๋กํ”„๋กœ์„ธ์Šค๋ฅผํ†ตํ•ฉํ•˜๋Š”๋Œ€์•ˆ์„์ œ์‹œํ•œ๋‹ค. ์ด๋Œ€์•ˆ์„์ ์šฉํ•˜๊ธฐ์œ„ํ•˜์—ฌ์‚ฌ์šฉ๋œ์„œ๋น„์Šค์‹œ๊ฐ„์€์ค‘์ฆ๋„๋ถ„๋ฅ˜์™€์ ‘์ˆ˜ํ†ตํ•ฉ์˜๊ฒฝ์šฐ๋‘๊ฐ€์ง€์ ˆ์ฐจ๋ฅผ์ง„ํ–‰ํ•˜๋Š”๋ฐ์†Œ์š”๋˜๋Š”์‹œ๊ฐ„์„๋”ํ•œ์ˆ˜์น˜์—์„œํ™˜์ž์˜๊ธฐ๋ณธ์ •๋ณด๋ฅผํ™•์ธํ•˜๋Š”๋ฐ์†Œ์š”๋˜๋Š”์ค‘๋ณต์‹œ๊ฐ„์„์ œ์™ธํ•œ์‹œ๊ฐ„ ( ๋‘์ ˆ์ฐจ๋ฅผ๋”ํ•œ์‹œ๊ฐ„์˜ 80%) ์„์ ์šฉํ•˜์˜€๊ณ ์ง„๋ฃŒ์™€๊ด€๋ จํ•ด์„œ๋Š”๋‘๊ฐ€์ง€์ง„๋ฃŒ์ค‘์ง„๋ฃŒ์‹œ๊ฐ„์ด๊ธด๊ตฌ์—ญ๋‚ด์—์„œ์˜์ง„๋ฃŒ์‹œ๊ฐ„์„์ ์šฉํ•˜์˜€๋‹ค. ์ด๋Œ€์•ˆ์˜๊ฒฝ์šฐ 30 ์ผ์„์‹œ๋ฎฌ๋ ˆ์ด์…˜์„์ˆ˜ํ–‰ํ•œ๊ฒฐ๊ณผ < ํ‘œ 5> ์—์„œ์™€๊ฐ™์ดํ™˜์ž๋‹น์ฒด๋ฅ˜์‹œ๊ฐ„์ดํ‰๊ท  31.8 ๋ถ„ (4 ์‹œ๊ฐ„ 34 ๋ถ„ 4 ์‹œ๊ฐ„ 02 ๋ถ„ ) ์ด๋‹จ์ถ•๋˜์–ด 11.6% ์˜์‹œ๊ฐ„๋‹จ์ถ•ํšจ๊ณผ๋ฅผ์–ป์„์ˆ˜์žˆ์—ˆ๋‹ค. < ํ‘œ 5> ์ง„๋ฃŒ์ ˆ์ฐจ๊ฐ„์†Œํ™”์—๋”ฐ๋ฅธ์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•ํšจ๊ณผ Stay Length (Hour) Existing Process Improved Process Time Rate 4.57 4.04 0.53 11.60% < ๊ทธ๋ฆผ 6> ์ง„๋ฃŒ์ ˆ์ฐจ๊ฐ„์†Œํ™”์—๋”ฐ๋ฅธ์ฒด๋ฅ˜์‹œ๊ฐ„๋น„๊ต

22 ์ด์ •๋งŒ ๊น€๋ฏธ์ด ๊น€๋™ํ˜„ ์ด์ข…์ผ ๊น€๊ธฐ๋งŒ ์ด์˜ํ›ˆ ๊น€์Šนํ˜ธ ๋ฐ•์œ ์„ ๊ฒฐ๊ณผ์ ์œผ๋กœ์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค์—์„œ์ค‘๋ณต๋˜๋Š”ํ”„๋กœ์„ธ์Šค๋ฅผํ†ตํ•ฉํ•˜๋Š”์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ํ†ตํ•ด์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ฐ์†Œ์‹œํ‚ฌ์ˆ˜์žˆ์—ˆ๊ณ ํ™˜์ž๋“ค์˜์ฒด๋ฅ˜์‹œ๊ฐ„๋ถ„ํฌ๋„ < ๊ทธ๋ฆผ 6> ๊ณผ๊ฐ™์ด๋ณ€ํ™”์‹œํ‚ฌ์ˆ˜์žˆ์—ˆ๋‹ค. 4.2 ์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ ์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค๊ฐ€์šด๋ฐ์ฒด๋ฅ˜์‹œ๊ฐ„์—ํฐ์˜ํ–ฅ์„์ฃผ๋Š”์š”์†Œ๋กœ์„œ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ์–ป๊ธฐ๊นŒ์ง€์†Œ์š”๋˜๋Š”์‹œ๊ฐ„์„๊ณ ๋ คํ• ์ˆ˜์žˆ๋Š”๋ฐํ‰๊ท  84 ๋ถ„์œผ๋กœํฐ๋น„์ค‘์„์ฐจ์ง€ํ•˜๊ณ ์žˆ๋‹ค. ํ•˜์ง€๋งŒ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ์–ป๊ธฐ๊นŒ์ง€์˜๊ณผ์ •์„์‚ดํŽด๋ณด๋ฉด์ฑ„ํ˜ˆ์ดํ›„์‘๊ธ‰์‹ค๊ณผ๋ถ„๋ฆฌ๋˜์–ด์žˆ๋Š”์ž„์ƒ๋ณ‘๋ฆฌ์‹ค๋กœ๊ฒ€์ฒด๊ฐ€์ด๋™ํ•˜๊ณ ์ž„์ƒ๋ณ‘๋ฆฌ์‹ค์—์„œ๋„์‘๊ธ‰์‹ค๋ฟ๋งŒ์•„๋‹ˆ๋ผ๋ณ‘์›์ „์ฒด๋กœ๋ถ€ํ„ฐ์˜๋ขฐ๋˜๋Š”๊ฒ€์ฒด๋ฅผ๊ฒ€์‚ฌํ•˜๊ธฐ๋•Œ๋ฌธ์—์ผ์ •์‹œ๊ฐ„์ด์ƒ์˜๋Œ€๊ธฐ์‹œ๊ฐ„์ด๋ฐœ์ƒํ•˜๊ฒŒ๋œ๋‹ค. ๋”ฐ๋ผ์„œ์‘๊ธ‰์‹ค๋‚ด์— CT ๋‚˜ X-ray ์ดฌ์˜์‹ค๊ณผ๊ฐ™์ด์ž์ฒด๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ์„ํ†ตํ•œ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋Œ€๊ธฐ์‹œ๊ฐ„์˜๋‹จ์ถ•์€ํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์„์ค„์ด๋Š”๋ฐ๊ฒฐ์ •์ ์ธ์—ญํ• ์„ํ• ๊ฒƒ์œผ๋กœ๊ธฐ๋Œ€๋œ๋‹ค. < ๊ทธ๋ฆผ 7> ์€์‘๊ธ‰์‹ค์ž์ฒด์˜์ž„์ƒ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ์‹œ๋ณ€ํ™”๋˜๋Š”ํ”„๋กœ์„ธ์Šค๋ฅผ๋ณด์—ฌ์ค€๋‹ค. < ๊ทธ๋ฆผ 7> ์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ์‹œํ”„๋กœ์„ธ์Šค๋ณ€ํ™” ์—ฐ๊ตฌ์ž๋“ค์€๋ณธ์—ฐ๊ตฌ์˜๋‘๋ฒˆ์งธ๋Œ€์•ˆ์ธ์ž์ฒด์ž„์ƒ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„๋งˆ๋ จํ•จ์—๋”ฐ๋ผ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ๋„์ถœํ•˜๋Š”๋ฐ์†Œ์š”๋˜๋Š”์‹œ๊ฐ„์ดํ‰๊ท  44 ๋ถ„์œผ๋กœ์•ฝ 40 ๋ถ„๋‹จ์ถ•ํ• ์ˆ˜์žˆ์—ˆ๋‹ค. ์ด์—๋”ฐ๋ผํ™˜์ž์˜์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„์˜๋ณ€ํ™”๋ฅผ์‹คํ—˜ํ•˜๊ณ ๊ทธํšจ๊ณผ๋ฅผ๋ถ„์„ํ•˜์˜€๋‹ค. ์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ฒฐ๊ณผ๋Š” < ํ‘œ 6> ๊ณผ๊ฐ™์ดํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„์ด 56 ๋ถ„๊ฐ์†Œํ•˜์—ฌ 20.39% ์˜๊ฐ์†Œํšจ๊ณผ๋ฅผ๋ณด์˜€๋‹ค. ํ• ๊ฒƒ์œผ๋กœ, ๋น„์šฉ์ธก๋ฉด์„๊ณ ๋ คํ•œ๋‹ค๋ฉด๊ธฐ์กด๊ฒ€์‚ฌ์žฅ๋น„๋ฅผํ™œ์šฉํ•˜์—ฌ์žฅ๋น„๊ตฌ์ž…๋น„์šฉ์—†์ด๊ต๋Œ€๊ทผ๋ฌดํ• ์ž„์ƒ๋ณ‘๋ฆฌ์‚ฌ 2 ๋ช…๋งŒ์„์‹ ๊ทœ๋กœ์ฑ„์šฉํ•œ๋‹ค๊ณ ํ•˜๋ฉด 2 ๋ช…์˜์ธ๊ฑด๋น„๋กœ์›” 600 ๋งŒ์›์ด์ง€์ถœ๋œ๋‹ค๊ณ ๊ฐ€์ •ํ• ๋•Œ, ํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œ๋กœ์ผํ‰๊ท  30 ๋ช…์˜ํ™˜์ž๋ฅผ๋”์ง„๋ฃŒํ• ์ˆ˜์žˆ๊ณ ํ™˜์ž๋‹น์ง„๋ฃŒ์ˆ˜์ต์ด 5 ๋งŒ์›์ด๋ผํ•œ๋‹ค๋ฉด์ถ”๊ฐ€์ˆ˜์ต์œผ๋กœ 30 ๋ช… 5 ๋งŒ์› 30 ์ผ = 4,500 ๋งŒ์›์ด๋ฐœ์ƒํ•˜์—ฌ์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„ค์น˜์—๋”ฐ๋ฅธ์ถ”๊ฐ€์ˆ˜์ต์€์›” 3,900 ๋งŒ์›์—์ด๋ฅผ๊ฒƒ์œผ๋กœ์˜ˆ์ธกํ• ์ˆ˜์žˆ๋‹ค. ์—ฐ๊ตฌ์ž๋“ค์€๋‘๋ฒˆ์งธ๋Œ€์•ˆ์ธ์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„ค์น˜๋ฅผํ†ตํ•ด๊ฒ€์ฒด์ด๋™๋ฐ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์—์„œ์˜๊ฒ€์‚ฌ๋Œ€๊ธฐ์‹œ๊ฐ„์„์ตœ์†Œํ™”์‹œ์ผœํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ฐ์†Œ์‹œํ‚ฌ์ˆ˜์žˆ์—ˆ๋‹ค. 4.3 ์ ˆ์ฐจ๊ฐ„์†Œํ™”์ƒํƒœ์—์„œ์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค๋งˆ๋ จ ์œ„์—์„œ์ œ์‹œํ•œ๋Œ€์•ˆ 1 ๊ณผ 2 ๋ฅผํ†ตํ•ฉํ•œ๊ฒƒ์ด๋Œ€์•ˆ 3 ์ด๋‹ค. ์ฆ‰, ์ง„๋ฃŒํ”„๋กœ์„ธ์Šค๋ฅผํ†ตํ•ฉํ•œ์ƒํƒœ์—์„œ์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„๋งˆ๋ จํ–ˆ์„๋•Œํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„๋ณ€ํ™”๋ฅผ๋ถ„์„ํ•˜์˜€๋‹ค. ๋Œ€์•ˆ 3 ์—๋”ฐ๋ผ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„์ˆ˜ํ–‰ํ•œ๊ฒฐ๊ณผ๋Š” < ํ‘œ 7> ์—์„œ์™€๊ฐ™์ด์ง„๋ฃŒ์ ˆ์ฐจ๋ฅผ๊ฐ„์†Œํ™”ํ•œ์ƒํƒœ์—์„œ์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„์„ค์น˜ํ–ˆ์„๋•Œํ‡ด์›ํ™˜์ž์˜ํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„์ด๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์†Œ์š”์‹œ๊ฐ„์„ 44 ๋ถ„์œผ๋กœ์•ฝ 40 ๋ถ„๊ฐ์†Œํ•˜์˜€์„๋•Œ 78 ๋ถ„์˜์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œํšจ๊ณผ๋ฅผ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ๊ฒฐ๊ณผ์ ์œผ๋กœ์—ฐ๊ตฌ์ž๋“ค์€์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ํ†ตํ•ด๋Œ€์•ˆ 3 ์ด๋Œ€์•ˆ 1 ๊ณผ๋Œ€์•ˆ 2 ์—๋น„ํ•ด์ฒด๋ฅ˜์‹œ๊ฐ„์„ํšจ๊ณผ์ ์œผ๋กœ๊ฐ์†Œ์‹œํ‚ค๋Š”๊ฒƒ์„ํ™•์ธํ• ์ˆ˜์žˆ์—ˆ๊ณ , ๋ณ‘์›์˜๊ธฐ๋Œ€์ˆ˜์ต์„์ฆ๊ฐ€์‹œํ‚ค๊ณ ํ™˜์ž์˜์˜๋ฃŒ์„œ๋น„์Šค์—๋Œ€ํ•œ๋งŒ์กฑ๋„๋ฅผ์ฆ๊ฐ€์‹œํ‚ฌ์ˆ˜์žˆ๋Š”์ข‹์€๋Œ€์•ˆ์ž„์„ํ™•์ธํ• ์ˆ˜์žˆ์—ˆ๋‹ค. Stay Length (Hour) < ํ‘œ 7> ๋Œ€์•ˆ 1 ๊ณผ๋Œ€์•ˆ 2 ํ†ตํ•ฉ์—๋”ฐ๋ฅธ์ฒด๋ฅ˜์‹œ๊ฐ„๋ณ€ํ™” Existing Process 4.57 Improved Process Time 40 min Rate 3.27 1.30 28.45% < ํ‘œ 6> ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฐœ์„ ์—๋”ฐ๋ฅธํ‰๊ท ์ฒด๋ฅ˜์‹œ๊ฐ„๋ณ€ํ™” Stay Length (min) Laboratory Test Time in ED Stay Length Rate 40 56 20.39% ์ด๋Ÿฌํ•œ๊ฒฐ๊ณผ๋Š”์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค์ค‘๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋Œ€๊ธฐ์‹œ๊ฐ„๋‹จ์ถ•์ด์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œ์—ํฐ์˜ํ–ฅ์„๋ฏธ์นœ๋‹ค๋Š”๊ฒƒ์„๋ณด์—ฌ์ฃผ๊ณ ์žˆ๋‹ค. ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋Œ€๊ธฐ์‹œ๊ฐ„๋‹จ์ถ•์„์œ„ํ•ด์„œ๋Š”์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์˜์„ค์น˜๊ฐ€์ „์ œ๋˜์–ด์•ผ < ๊ทธ๋ฆผ 8> ๋Œ€์•ˆ 1 ๊ณผ๋Œ€์•ˆ 2 ํ†ตํ•ฉ์—๋”ฐ๋ฅธ์ฒด๋ฅ˜์‹œ๊ฐ„๋น„๊ต

์‘๊ธ‰์‹ค์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•์„์œ„ํ•œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ถ„์„ 23 5. ๊ฒฐ๋ก ๋ณธ์—ฐ๊ตฌ์˜์˜์˜๋Š”์‹ค์ œ๋ณ‘์›์˜์‘๊ธ‰์‹ค์ž๋ฃŒ๋ฅผ๊ฐ€์ง€๊ณ ํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•์„์œ„ํ•œ๋Œ€์•ˆ์„์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ธฐ๋ฒ•์„์ ์šฉํ•˜์—ฌ์ œ์‹œํ–ˆ๋‹ค๋Š”๋ฐ์žˆ๋‹ค. ์ด๋ฒˆ์—ฐ๊ตฌ์—์„œ๊ฐœ๋ฐœํ•œ์‹œ๋ฎฌ๋ ˆ์ด์…˜๋ชจ๋ธ์€๋‹ค๋‹จ๊ณ„ํ”„๋กœ์„ธ์Šค์™€ํ™˜์ž์˜์ฒด๋ฅ˜์‹œ๊ฐ„์„๊ณ ๋ คํ•œ๋ชจ๋ธ๋กœํ™˜์ž์˜๋‚ด์›์œผ๋กœ๋ถ€ํ„ฐ๊ฑฐ์ทจ๊ฒฐ์ •ํ›„์ž… / ํ‡ด์›๊นŒ์ง€๋ฌ˜์‚ฌํ•˜์˜€๋‹ค. ์‹œ๋ฎฌ๋ ˆ์ด์…˜๊ฒฐ๊ณผ๋ฅผ์ข…ํ•ฉํ•ด๋ณด๋ฉด๋Œ€์•ˆ 1์—์„œ๋Š”์‘๊ธ‰์‹ค์ง„๋ฃŒํ”„๋กœ์„ธ์Šค์ค‘์ค‘๋ณต๋‚ด์ง€๋ถˆํ•„์š”ํ•˜๋‹ค๊ณ ์ƒ๊ฐ๋˜๋Š” 4๊ฐœ์˜ํ”„๋กœ์„ธ์Šค ( ์ค‘์ฆ๋„๋ถ„๋ฅ˜, ์ง„์ฐฐ์‹ค์ง„๋ฃŒ / ๋ถ„๋ฅ˜, ์ ‘์ˆ˜, ์ง„๋ฃŒ ) ๋ฅผ 2๊ฐœ์˜ํ”„๋กœ์„ธ์Šค ( ์ ‘์ˆ˜ / ์•ˆ๋‚ด, ์ง„๋ฃŒ / ๋ถ„๋ฅ˜ ) ๋กœํ†ตํ•ฉํ•จ์œผ๋กœ์จ์ฒด๋ฅ˜์‹œ๊ฐ„์ด 11.60% ๊ฐ์†Œํ•˜์˜€๋‹ค. ์ฆ‰, ์ค‘๋ณต๋˜๋Š”ํ”„๋กœ์„ธ์Šค๋ฅผํ†ตํ•ฉํ•จ์œผ๋กœ์จ์ ˆ์ฐจ๊ฐ„์†Œํ™”์™€์‹œ๊ฐ„๋‹จ์ถ•์œผ๋กœํ™˜์ž๊ฐ€๋Š๋ผ๋Š”์„œ๋น„์Šค๋ถˆ๋งŒ์„์ค„์ผ์ˆ˜์žˆ๊ณ ์˜๋ฃŒ์ง„์˜์—…๋ฌด๋Šฅ๋ฅ ๋„ํ–ฅ์ƒ์‹œํ‚ฌ์ˆ˜์žˆ์„๊ฒƒ์œผ๋กœ๊ธฐ๋Œ€๋œ๋‹ค. ๋Œ€์•ˆ 2์—์„œ๋Š”์‘๊ธ‰์‹ค์ „์šฉ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„์„ค์น˜ํ•˜์—ฌ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ์–ป๊ธฐ๊นŒ์ง€์˜์‹œ๊ฐ„์„๋‹จ์ถ•์‹œํ‚ค๋Š”๊ฒƒ์œผ๋กœ์ฒด๋ฅ˜์‹œ๊ฐ„์„ 20.39% ๊ฐ์†Œ์‹œํ‚ค๋Š”๊ฒฐ๊ณผ๋ฅผ๋„์ถœํ• ์ˆ˜์žˆ์—ˆ๋‹ค. ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ๋Š”์‘๊ธ‰์‹ค์—๋‚ด์›ํ•˜๋Š”๋Œ€๋ถ€๋ถ„์˜์‘๊ธ‰ํ™˜์ž์—๊ฒŒ์‹œํ–‰๋˜๋Š”๊ธฐ๋ณธ๊ฒ€์‚ฌ๋กœ์จ X-ray์™€๊ฐ™์ด์ž์ฒด๊ฒ€์‚ฌ๋Šฅ๋ ฅ์„๋ณด์œ ํ• ์ˆ˜์žˆ๋‹ค๋ฉด๊ฒ€์‚ฌ๊ฒฐ๊ณผ๋ฅผ๊ธฐ๋‹ค๋ฆฌ๋Š”์‹œ๊ฐ„์˜๊ฐ์†Œ๋ฅผํ†ตํ•ดํ™˜์ž์˜๋Œ€๊ธฐ์‹œ๊ฐ„๊ฐ์†Œ๋ฅผ๊ทน๋Œ€ํ™”ํ• ์ˆ˜์žˆ์„๊ฒƒ์ด๋‹ค. ๋˜ํ•œ, ๊ฒ€์ฆํ•˜์ง€๋Š”๋ชปํ–ˆ์ง€๋งŒ๊ฐ„ํ˜ธ์‚ฌ์˜ํšจ์œจ์ ์ธ์—…๋ฌด์ˆ˜ํ–‰๊ณผ๊ฒ€์‚ฌ์‹ค๊ณผ์˜์œ ๊ธฐ์ ์ธํ˜‘์กฐ๊ด€๊ณ„๋ฅผ๊ตฌ์ถ•ํ•œ๋‹ค๋ฉดํ˜„์žฌ์˜ํ”„๋กœ์„ธ์Šคํ•˜์—์„œ๋„๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์—์†Œ์š”๋˜๋Š”์‹œ๊ฐ„์„์ค„์ผ์ˆ˜์žˆ์„๊ฒƒ์œผ๋กœ๊ธฐ๋Œ€๋œ๋‹ค. ๋Œ€์•ˆ 3์€๋Œ€์•ˆ 1๊ณผ๋Œ€์•ˆ 2๋ฅผํ†ตํ•ฉํ•œ๊ฒƒ์œผ๋กœ๊ฐœ์„ ๋œํ”„๋กœ์„ธ์Šคํ•˜์—์„œ์ž์ฒด๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์‹ค์„๋ณด์œ ํ• ๊ฒฝ์šฐ 28.45% ์˜์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œํšจ๊ณผ๋ฅผ์ด๋Œ์–ด๋‚ด์—ˆ๋‹ค. ์ด๋Š”๊ฐ๊ฐ์˜๋Œ€์•ˆ์ ์šฉ๋ณด๋‹คํ†ตํ•ฉํ•˜์—ฌ์ ์šฉํ•˜๋Š”๊ฒƒ์ด๋”์šฑํšจ๊ณผ์ ์ด๋ผ๋Š”๊ฒƒ์„๋งํ•ด์ค€๋‹ค. ์ด์ƒ์˜๊ฒฐ๊ณผ๋“ค์—์„œ๋‹ค์Œ๊ณผ๊ฐ™์€๊ฒฐ๋ก ์„๋„์ถœํ• ์ˆ˜์žˆ์—ˆ๋‹ค. ์ฒซ์งธ, ์‘๊ธ‰์‹ค์ง„๋ฃŒํ”„๋กœ์„ธ์Šค์ค‘์—์„œ์ค‘๋ณต๋˜๊ฑฐ๋‚˜ํ•„์š”์—†๋‹ค๊ณ ์ƒ๊ฐ๋˜๋Š”ํ”„๋กœ์„ธ์Šค๋Š”๊ณผ๊ฐํ•˜๊ฒŒ์—†์• ๊ฑฐ๋‚˜ํ†ตํ•ฉํ• ํ•„์š”๊ฐ€์žˆ๋‹ค. ๋ณธ์—ฐ๊ตฌ์—์„œ์ œ์‹œํ•˜๋Š”ํ”„๋กœ์„ธ์Šค๊ฐ„์†Œํ™”๋ฐฉ์•ˆ์€์ค‘์ฆ๋„๋ถ„๋ฅ˜์™€์ ‘์ˆ˜๋ฅผํ†ตํ•ฉํ•˜๊ณ ์ง„๋ฃŒ์‹ค์—์„œ์˜์ง„๋ฃŒ๋ฅผ๊ฐ•ํ™”์‹œ์ผœ์ง„๋ฃŒ๊ตฌ์—ญ์œผ๋กœ์ด๋™ํ•œ๋‹ค์Œ์˜์ถ”๊ฐ€์ ์ธ์ง„๋ฃŒ๋ฅผ์—†์• ๊ณ ํ†ตํ•ฉํ•˜๋Š”๊ฒƒ์ด๋‹ค. ๋‘˜์งธ, ์‘๊ธ‰์‹คํ”„๋กœ์„ธ์Šค์ค‘์„ค๋น„ํˆฌ์ž๊ฐ€ํ•„์š”ํ•œ๋ถ€๋ถ„์€๊ณผ๊ฐํ•˜๊ฒŒํˆฌ์žํ•˜์—ฌ์•ผํ•œ๋‹ค. ์…‹์งธ, ์‘๊ธ‰์‹ค์ง„๋ฃŒํ”„๋กœ์„ธ์Šค๊ฐœ์„ ๋ฐฉ์•ˆ์„ํ†ตํ•ฉํ•ด์•ผํ•œ๋‹ค. ๋Œ€์•ˆ 1๊ณผ๋Œ€์•ˆ 2์˜ํ†ตํ•ฉ์—์„œ์ฒ˜๋Ÿผ๊ฐœ์„ ๋ฐฉ์•ˆ์˜์ ์ ˆํ•œ์กฐํ•ฉ์€ํ”„๋กœ์„ธ์Šค๊ฐœ์„ ๋ฟ๋งŒ์•„๋‹ˆ๋ผ๊ฒฐ๊ณผ์ ์œผ๋กœํ™˜์ž์ฒด๋ฅ˜์‹œ๊ฐ„๊ฐ์†Œ์—ํฐํšจ๊ณผ๊ฐ€์žˆ์—ˆ๊ณ ๋ณ‘์›์˜์ˆ˜์ต์„ฑ๊ฐœ์„ ๊ณผ์„œ๋น„์Šค์ˆ˜์ค€ํ–ฅ์ƒ์—๋„๋„์›€์ด๋ ๊ฒƒ์œผ๋กœ๊ธฐ ๋Œ€๋œ๋‹ค. ํ•˜์ง€๋งŒ์ด๋ฒˆ์—ฐ๊ตฌ๊ฒฐ๊ณผ๋ฅผ์‘๊ธ‰์ง„๋ฃŒํ˜„์žฅ์—๋ฐ”๋กœ์ ์šฉํ•˜๊ฑฐ๋‚˜์ผ๋ฐ˜ํ™”ํ•˜๊ธฐ์œ„ํ•ด์„œ๋Š”๋‹ค์Œ๊ณผ๊ฐ™์€์ œํ•œ์‚ฌํ•ญ์„๊ณ ๋ คํ•ด์•ผํ• ๊ฒƒ์ด๋‹ค. ์ฒซ์งธ, ์‘๊ธ‰์‹ค๊ณผ๋ณ‘๋™๊ณผ์˜๊ด€๊ณ„์„ค์ •๋ฐ๊ด€์ฐฐ์ œํ•œ์œผ๋กœ์‘๊ธ‰์‹ค์—๋‚ด์›ํ•œ๋ชจ๋“ ํ™˜์ž๊ฐ€์•„๋‹ˆ๋ผ์‘๊ธ‰์‹ค์—์„œ๋ฐ”๋กœํ‡ด์›ํ•˜๋Š”ํ™˜์ž๋งŒ์„๋Œ€์ƒ์œผ๋กœํ•˜์˜€๊ธฐ๋•Œ๋ฌธ์—๋ณธ์—ฐ๊ตฌ์—์„œ์ œ์‹œํ•˜๋Š”๋Œ€์•ˆ๋“ค์ด์ „์ฒด์‘๊ธ‰ํ™˜์ž๋ฅผ๋Œ€์ƒ์œผ๋กœํ•œ์ฒด๋ฅ˜์‹œ๊ฐ„๋‹จ์ถ•์—๋Š”์–ด๋Š์ •๋„ํšจ๊ณผ๊ฐ€์žˆ์„์ง€๋ฏธ์ง€์ˆ˜์ด๊ณ , ๋‘˜์งธ, ํ˜‘์ง„๋ฐ๋ณ‘๋ฆฌ๊ฒ€์‚ฌ์—๊ด€๋ จํ•œ์ž๋ฃŒ๋Š”์˜๋ฃŒ์ง„์˜์ธํ„ฐ๋ทฐ๋ฅผํ†ตํ•ดํš๋“ํ•˜์˜€๊ธฐ๋•Œ๋ฌธ์—์˜๋ฃŒ์ง„์˜์ฃผ๊ด€์ ์ธ๊ฒฌํ•ด๋กœ์ธํ•ด์ •ํ™•์„ฑ์ด๊ฒฐ์—ฌ๋ ์ˆ˜์žˆ์œผ๋ฉฐ, ์…‹์งธ, ํ™˜์ž์ƒํƒœ์—๋”ฐ๋ผ์ง„์ฐฐ์‹ค์—์„œ์ง„๋ฃŒ๊ตฌ์—ญ์œผ๋กœ์ด๋™ํ•œํ›„์—๋„์ถ”๊ฐ€์ ์ง„์ฐฐ์ดํ•„์š”ํ•œ๊ฒฝ์šฐ๊ฐ€์žˆ์Œ์—๋„๋ถˆ๊ตฌํ•˜๊ณ ์ง„์ฐฐ์‹ค์ดํ›„์—๋Š”์ถ”๊ฐ€์ง„์ฐฐ์—†์ด์น˜๋ฃŒ๊ฐ€์ˆ˜ํ–‰๋˜๋Š”๊ฒƒ์œผ๋กœ๋‹จ์ˆœํ™”์‹œํ‚จ์ , ๋์œผ๋กœ, ๋ณ‘์›๊ณผ์‘๊ธ‰์‹ค๊ฐ„์˜์ƒํ˜ธ์—ฐ๊ด€์„ฑ์„๊ณ ๋ คํ•˜์ง€์•Š๊ณ ์‘๊ธ‰์‹ค๋งŒ์„๋Œ€์ƒ์œผ๋กœ์—ฐ๊ตฌ๋ฅผ์ง„ํ–‰ํ•œ์ ์„์ œํ•œ์‚ฌํ•ญ์œผ๋กœ๊ณ ๋ คํ• ์ˆ˜์žˆ๋‹ค. ๋”ฐ๋ผ์„œ์ด๋Ÿฌํ•œํ•œ๊ณ„์ ์„๊ทน๋ณตํ•˜๊ธฐ์œ„ํ•ด์„œ๋Š”ํ‡ด์›ํ™˜์ž๋ฟ์•„๋‹ˆ๋ผ์ž…์›ํ™˜์ž๊นŒ์ง€ํฌํ•จํ•˜๋Š”๋™์‹œ์—๋ณ‘์›๊ณผ์˜๊ด€๊ณ„๋„๊ณ ๋ คํ•˜์—ฌ๋ณ‘์›๋‚ดํƒ€๋ถ€์„œ์˜ํ™˜์ž์ž…์›ํ”„๋กœ์„ธ์Šค์—๋Œ€ํ•œ์—ฐ๊ตฌ์™€์‘๊ธ‰์‹ค์„ํ†ตํ•œํ™˜์ž์˜๋ณ‘๋™์ž…์›์ ˆ์ฐจ๊ฐœ์„ ์„์œ„ํ•œ์—ฐ๊ตฌ๊ฐ€์ถ”๊ฐ€์ ์œผ๋กœ์ˆ˜ํ–‰๋˜์–ด์•ผํ• ๊ฒƒ์ด๋‹ค. ์ฐธ๊ณ ๋ฌธํ—Œ [1] Connelly, L. G., and Bair, A. E.; Discrete Event Simulation of Emergency Department Activity : A Platform for Systemlevel Operations, ACAD EMERG MED, 11(11) : 1177-1185, 2004. [2] Litvak, E.; Boston hospital sees big impact from smoothing elective schedule, OR Manager, 20(12) : 1-5, 2004. [3] Litvak, E., Buerhaus, P. I., Davidoff, F., Long, M. C., McManus, M. L., and Berwick, D. M.; Managing Unnecessary Variability in Patient Demand to Reduce Nursing Stress and Improve Patient Safety, Journal on Quality and Patient Safety, 31(6) : 330-338, 2005. [4] Macdonald, S. J., Karam, I., Al-Shirrawi, N., Chowdhary, R. K., Escalante, E. M., and Afandi, A.; Emeregency Department Process Improvement, In Proceedings of the 2005 System and Information Engineering Design Symposium, 253-262, 2005. [5] Naylor, T. H. and Finger, J. M.; Verification of Computer Simulation Models, Management Science, 2 : 92-101, 1967. [6] Rossetti, M. D., Trzcinski, G. F., and Syverud, S. A.; Emergency Department Simulation and Determination of Optimal Attending

24 ์ด์ •๋งŒ ๊น€๋ฏธ์ด ๊น€๋™ํ˜„ ์ด์ข…์ผ ๊น€๊ธฐ๋งŒ ์ด์˜ํ›ˆ ๊น€์Šนํ˜ธ ๋ฐ•์œ ์„ Physician Staffing Schedules, Proceedings of the 1999 Winter Simulation Conference, 1532-1540, 1999. [7] Su, S. and Shih, C. L.; Resource reallocation in an emergency medical service system using computer simulation, American Journal of Emergency Medicine, 20(7) : 627-634, 2002.