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Table 5 Length of stay results

From: The impact of open versus closed format ICU admission practices on the outcome of high risk surgical patients: a cohort analysis

  Open format ICU
1996-1998
(N = 230)
Closed format ICU
2003-2005
(N = 228)
Mean difference (95% confidence interval) P-value
Hospital LOS:     
   Overall 16.9 (17.5) 21.2 (24.3) 4.2 (0.2-8.3) 0.04
   Survivors 18.3 (15.0) 21.9 (25.0) 3.6 (-0.9-8.0) 0.12
   Non-survivors 12.4 (23.6) 16.8 (19.4) 4.4 (-5.9-14.7) 0.40
ICU LOS:     
   Overall 2.5 (4.1) 4.8 (9.3) 2.2 (0.9-3.6) < 0.01
   Survivors 1.7 (2.7) 4.3 (8.5) 2.6 (1.2-3.9) < 0.01
   Non-survivors 5.0 (6.2) 7.4 (12.4) 2.4 (-1.4-6.2) 0.21
  1. Values are mean (sd) unless indicated otherwise. ICU: Intensive Care Unit; sd: standard deviation; LOS: length of stay.