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Baseline characteristics of the derivation and validation cohorts.
| Variable | Derivation cohort (N = 94) | Validation cohort (N = 268) | P Value |
|---|---|---|---|
| Age (years), mean ± SD | 54.7 ± 13.8 | 65.6 ± 17.6 | <0.0001 |
| Sex, male (%) | 53 (56) | 154 (57) | 0.86 |
| ICU length of stay, mean ± SD | 2.8 ± 3.2 | 3.8 ± 4.1 | 0.03 |
| Low SOFA score (<6) | 50% | 48% | 0.29 |
