Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Survival and relative risk of death according to risk group as defined by prognostic model.
| 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) |
