Table 5. Regression-Adjusted Changes in Measures of Patient Flow Table 5. Regression-Adjusted Changes in Measures of Patient FlowHospitalPre-Implementation LOSPost-Implementation LOSChange in LOSPercent ChangePre-Implementation LWBS RatePost-Implementation LWBS rateChange in LWBS ratePercent ChangeGood Samaritan Hospital—all patients294295+1+0.3%1.9%2.2%+0.3+15.8%Good Samaritan Hospital—subset of ESI III patients*426357-69-16.2%N/AN/AN/AN/AHahnemann University Medical Center482430-52-10.8%10.7%10.0%-0.7-7.0%St. Francis Hospital207198-9-4.3%N/AN/AN/AN/AStony Brook University Medical Center297306+9+3.0%N/AN/AN/AN/AThomas Jefferson University Medical Center—fast track122138+16+13.1%N/AN/AN/AN/AWestmoreland Hospital—all patients257263+6+2.3%0.6%0.4%-0.2-33.0%Westmoreland Hospital—admitted patients443449+6+1.4%N/AN/AN/AN/ANotes:Figures in bold indicate significant improvement in measures of patient flow, p<.05. LOS and Change in LOS reported in minutes; Change in LWBS rate reported in percentage points.The ESI III subset includes those patients presenting with one of six chief complaints: abdominal pain, flank pain, headache, pregnancy complication, vaginal bleeding, and vomiting.ESI = Emergency Severity Index; LOS = length of stay; LWBS = left without being seen.Return to Document Current as of September 2011 Internet Citation: Table 5. Regression-Adjusted Changes in Measures of Patient Flow. September 2011. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ptflow/table5.html