Table 5.
Comparison of mortality rates for 4C Mortality Score risk groups across derivation and validation cohorts
| Risk group | Derivation cohort | Validation cohort | |||
|---|---|---|---|---|---|
| No of patients (%) | No of deaths (%) | No of patients (%) | No of deaths (%) | ||
| Low (0-3) | 2574 (7.3) | 45 (1.7) | 1650 (7.4) | 20 (1.2) | |
| Intermediate (4-8) | 8277 (23.3) | 751 (9.1) | 4889 (21.9) | 486 (9.9) | |
| High (9-14) | 18 091 (51.0) | 6310 (34.9) | 11 664 (52.2) | 3666 (31.4) | |
| Very high (≥15) | 6521 (18.4) | 4320 (66.2) | 4158 (18.6) | 2557 (61.5) | |
| Overall | 35 463 | 11 426 | 22 361 | 6729 | |