| Open format ICU 1996-1998 (N = 230) | Closed format ICU 2003-2005 (N = 228) | Mean difference (95% confidence interval) | P-value |
---|---|---|---|---|
Hospital LOS: | Â | Â | Â | Â |
   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: | Â | Â | Â | Â |
   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 |