From: Severity of illness, critical events, organ failure assessment and ICU outcome
 |  |  | Relative |  |  |
---|---|---|---|---|---|
 |  | Mean ± sd | Risk | 95% Cl | P |
Model I | SAPS II |   36.4± 16.3 | 1.04 | 1.0302-1.0526 | 0.0000 |
 | SOFA day 1 |      4± 3.4 | 1.2 | 1.0989-1.211 | 0.0000 |
 | CrEv day 1 | 0.1± .2 | 3.12 | 1.6787-5.7809 | 0.0003 |
Model II | SAPS II |   36.4± 16.3 | 1.0480 | 1.0376-1.0586 | 0.0000 |
 | SOFA day 3 |   1.3± 1.9 | 1.2611 | 1.1753-1.3532 | 0.0000 |
 | CrEv day 3 |   0.3± 1.9 | 2.7951 | 2.0528-3.8056 | 0.0000 |
Model III | SAPS II |    36.4± 16.3 | 1.0379 | 1.0253-1.0525 | 0.0000 |
 | SOFA day 5 |       2± 2.3 | 1.3086 | 1.2047-1.4215 | 0.0000 |
 | CrEv day 5 |   0.3± .4 | 2.7118 | 1.7977-4.0908 | 0.0000 |