Mortality prediction using SAPS II: an update for French intensive care units

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.

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