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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