Table 4 Survival and relative risk of death according to risk group as defined by prognostic model.
From: Noncutaneous malignant melanoma: a prognostic model from a retrospective multicenter study
Risk group | No. of factors * | No. of patients (%) | % of 2-Year OS (SE) | RR (95% CI) |
|---|---|---|---|---|
Group 1 | 0 | 20 (23.0) | 76.5 (10.4) | 1 |
Group 2 | 1 | 46 (52.9) | 64.4 (7.4) | 2.94 (1.20-7.63) |
Group 3 | 2 | 21 (24.1) | 24.2 (10.3) | 7.29 (2.64-21.11) |