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Table 9 Length of stay during the peak hours of the study periods

From: The impact of a multimodal intervention on emergency department crowding and patient flow

  Pre-intervention period n = 15,115 Intervention period n = 15,195 p valueb
Median LOS in minutes (IQR)a,* 167 (113–236) 154 (100–220) < 0.001
Median LOS per specialism in minutes (IQR)a
 Cardiology 166 (129–218) 158 (122–214) < 0.001
 Internal medicine 206 (151–282) 206 (149–274) 0.233
 Neurology 203 (143–276) 178 (123–248) < 0.001
 Surgery 141 (93–208) 124 (79–183) < 0.001
 Other specialismc 160 (100–229) 147 (91–213) < 0.001
Median LOS for self-referred patients (IQR)d 142 (94–203) 130 (84–191) < 0.001
Median LOS for admitted patients (IQR)e 212 (155–287) 204 (147–271) < 0.001
 Cardiology 185 (142–246) 186 (143–251) 0.714
 Internal medicine 240 (185–311) 240 (191–303) 0.789
 Neurology 204 (141–287) 193 (131–275) 0.016
 Surgery 230 (168–300) 196 (143–265) < 0.001
 Other specialismc 210 (154–287) 196 (141–253) < 0.001
Median LOS for patients who had at least one imaging proceduref 194 (138–266) 180 (126–248) < 0.001
  1. *Abbreviation: ED emergency department, LOS length of stay, IQR interquartile range
  2. aAll LOS calculations are based on 30,208 presentations, due to 102 missings
  3. bp value was calculated using Mann-Whitney U tests
  4. cOther specialism; all visits for other specialism besides cardiology, internal medicine, neurology, and surgery (n = 7739)
  5. dn = 8485
  6. en = 8261
  7. fn = 16,027