Table 5

Length of stay results

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


Values are mean (sd) unless indicated otherwise. ICU: Intensive Care Unit; sd: standard deviation; LOS: length of stay.

van der Sluis et al. BMC Surgery 2011 11:18   doi:10.1186/1471-2482-11-18

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