Table 4 LOS (days) of ICU nonsurvivors in subgroups

Age group (years)

0-40

1.5 (0.4-4.3)

1.3 (0.3-5.1)

1.9 (0.6-4.8)

1.3 (0.4-3.5)

0.17

40-60

1.7 (0.7-4.6)

1.4 (0.6-3.7)

2.2 (0.8-7.1)

1.7 (0.7-5.0)

0.02

60-80

1.7 (0.6-5.2)

1.4 (0.5-4.7)

2.5 (0.8-7.8)

1.6 (0.6-4.3)

< 0.001

> 80

1.0 (0.3-2.6)

0.9 (0.2-2.0)

1.3 (0.4-3.1)

0.9 (0.3-2.3)

0.007

P ^a

< 0.001

Admission category

Elective surgery

2.5 (1.1-7.4)

1.7 (0.8-5.3)

3.4 (1.2-8.5)

3.1 (1.1-7.2)

0.168

Emergency medical

1.3 (0.4-3.8)

1.1 (0.4-3.5)

2.1 (0.7-5.9)

1.2 (0.4-3.4)

< 0.001

Emergency surgical

1.9 (0.7-5.2)

1.9 (0.8-4.9)

2.0 (0.6-5.1)

1.9 (0.6-6.2)

0.961

P ^a

< 0.001

Type of hospital

Nonuniversity

1.3 (0.4-4.0)

1.1 (0.4-3.9)

1.9 (0.5-5.3)

1.2 (0.4-3.4)

< 0.001

University

1.6 (0.6-4.3)

1.5 (0.6-3.8)

2.2 (0.8-6.0)

1.7 (0.6-4.4)

< 0.001

P ^a

< 0.001

Gender

Female

1.3 (0.5-3.9)

1.1 (0.4-3.4)

1.7 (0.6-5.1)

1.2 (0.4-3.4)

< 0.001

Male

1.6 (0.5-4.5)

1.4 (0.5-4.0)

2.1 (0.6-5.6)

1.5 (0.5-3.9)

< 0.001

P ^a

0.001

SAPS II quartiles^b

1. (0-35)

3.7 (1.2-10.2)

3.7 (0.9-10.0)

3.6 (1.2-10.6)

n.a.

0.538

2. (36-48)

2.3 (0.7-6.4)

2.2 (0.6-6.0)

2.3 (0.8-7.0)

n.a.

0.509

3. (49-62)

1.4 (0.6-3.5)

1.2 (0.6-2.7)

1.8 (0.6-4.2)

n.a.

0.003

4. (≥63)

0.9 (0.3-1.8)

0.8 (0.3-1.5)

1.1 (0.5-2.7)

n.a.

< 0.001

P ^a

< 0.001

APACHE II quartiles^b

1. (0-19)

2.7 (0.7-7.7)

3.3 (0.4-10.2)

n.a.

2.5 (0.8-7.2)

0.712

2. (20-25)

2.0 (0.7-5.0)

2.2 (0.4-5.4)

n.a.

1.9 (0.8-4.4)

0.580

3. (26-30)

1.2 (0.5-3.0)

1.4 (0.5-3.7)

n.a.

1.2 (0.5-2.5)

0.103

4. (≥33)

0.9 (0.4-1.8)

0.9 (0.4-1.7)

n.a.

0.8 (0.4-1.9)

0.703

P ^a

< 0.001