Table 4

Uniformity of fit of the three SAPS II models in the validation sample

Variable

Value

SMR

Original

Customized

Expanded

Age

<40 years

0.62*

0.74*

1.05

40–59 years

0.77*

0.92*

1.02

60–69 years

0.86*

1.03

1.00

70–79 years

0.90*

1.09*

1.00

>79 years

0.98

1.18*

0.99

Sex

Male

0.88*

1.05*

1.00

Female

0.79*

0.95*

1.02

Length of inhospital stay before ICU admission

<24 hours

0.76*

0.91*

1.00

1 day

0.89*

1.05

1.04

2 days

0.93

1.12*

1.02

3–9 days

1.07*

1.28*

1.01

>9 days

1.22*

1.46*

1.01

Patient's location before ICU

From outside

0.71*

0.86*

1.00

From the wards

0.99

1.19*

1.02

From another hospital

0.89*

1.07*

0.99

Clinical category

Medical patient

0.85*

1.02

1.04

Other

0.80*

0.96

1.00

Intoxication

No

0.90*

1.08*

1.01

Yes

0.21*

0.26*

1.04

*The 95% confidence interval does not include 1. ICU, intensive care unit; SAPS, Simplified Acute Physiology Score.

Le Gall et al. Critical Care 2005 9:R645   doi:10.1186/cc3821