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Table 10 Overall (24/7) length of stay during the study periods

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

  Pre-intervention period n = 31,891 Intervention period n = 32,121 p valueb
Median LOS in minutes (IQR)a,* 157 (102–228) 149 (95–218) < 0.001
Median LOS per specialism in minutes (IQR)a
 Cardiology 164 (126–215) 160 (123–218) 0.056
 Internal medicine 205 (145–285) 205 (145–279) 0.373
 Neurology 191 (135–266) 175 (120–246) < 0.001
 Surgery 136 (89–203) 124 (79–187) < 0.001
 Other specialismc 137 (80–209) 132 (75–199) < 0.001
Median LOS for self-referred patients (IQR)d 131 (84–192) 124 (78–184) < 0.001
Median LOS for admitted patients (IQR)e 203 (146–277) 198 (140–269) < 0.001
 Cardiology 183 (140–237) 180 (137–244) 0.683
 Internal medicine 238 (179–310) 241 (187–310) 0.342
 Neurology 192 (131–270) 186 (124–267) 0.032
 Surgery 215 (148–296) 196 (130–268) < 0.001
 Other specialismc 201 (143–276) 190 (133–254) < 0.001
Median LOS for patients who had at least one imaging proceduref 191 (134–263) 181 (126–251) < 0.001
  1. *Abbreviation: ED emergency department, LOS length of stay, IQR interquartile range
  2. aLOS calculations are based on 63,860 presentations, due to 152 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 = 18,667)
  5. dn = 22,119
  6. en = 17,087
  7. fn = 31,108