Assessment of six mortality prediction models in patients admitted with severe sepsis and septic shock to the intensive care unit: a prospective cohort study

Table 2 Actual and predicted mortalities and standardized mortality ratios

Variable	Number	Died (n)	Actual mortality	Predicted mortality	SMR	95% CI
MPM II₀	250	152	0.61	0.55	1.10	0.99–1.21
SAPS II	208	116	0.56	0.56	1.00	0.88–1.13
MPM II₂₄	208	116	0.56	0.61	0.92	0.80–1.03
APACHE II	208	116	0.56	0.59	0.95	0.83–1.06
Cus MPM II₂₄	208	116	0.56	0.59	0.94	0.82–1.05
Cus SAPS II	208	116	0.56	0.56	1.00	0.87–1.12

APACHE, Acute Physiology and Chronic Health Evaluation; CI, confidence interval; Cus, customized; MPM, Mortality Prediction Model; SAPS, Simplified Acute Physiology Score; SMR, standardized mortality ratio.

ISSN: 1364-8535