Table 4.
Risk group | n (%) | Median OS (months) | 2‐year OS (95% CI) |
---|---|---|---|
Favorable | 120 (33) | 51 | 77 (72–81) |
Intermediate | 101 (28) | 21 | 50 (44–55) |
Poor | 102 (28) | 10 | 29 (25–34) |
Unclassified | 38 (11) | 36 | 63 (58–68) |
Favorable risk, poor prognostic factor = 0 or 1; intermediate risk, poor prognostic factor = 2; poor risk, poor prognostic factor = 3 or 4; CI, confidence interval; OS, overall survival.