Characteristics of derivation and validation cohorts
| Cohort 1: ECO | Cohort 2: ECO and EAR (n=664) | ||
|---|---|---|---|
| Derivation (n=869) | Validation (n=94) | ||
| Age (SD) | 67.6 (14.6) | 68.4 (13.6) | 66.3 (14.9) |
| Gender: male | 487* | 48 | 381 |
| Tumour stream | |||
| Genitourinary | 172 | 21 | 135 |
| Colorectal | 140 | 14 | 115 |
| Lung | 121 | 18 | 96 |
| Breast | 122 | 15 | 74 |
| Haematological | 99 | 7 | 85 |
| Upper gastrointestinal | 83 | 9 | 57 |
| Skin | 36 | 1 | 28 |
| Head and neck | 35 | 0 | 30 |
| Gynaecological | 19 | 4 | 17 |
| CNS | 15 | 1 | 9 |
| Unknown primary | 38 | 9 | 26 |
*Two unspecified.
CNS, central nervous system; EAR, electronic administrative records; ECO, Evaluation of Cancer Outcomes.