. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: Lancet Respir Med. 2014 Nov 24;3(1):42–52. doi: 10.1016/S2213-2600(14)70239-5

Table 2.

Observed versus predicted hospital mortality.

Observed hospital death (%)	3002 (12.2%)

Mortality prediction (mean [IQR]):
SOFA	0.12 [0.05–0.15]
SAPS II original version	0.30 [0.08–0.48]
SAPS II refitted	0.12 [0.03–0.16]
APACHE II refitted	0.12 [0.03–0.16]
Super Learner 1	0.12 [0.02–0.16]
Super Learner 2	0.13 [0.01–0.19]