Table 4 Concordance statistics (c-index) of various risk scores for OS.
Risk Factor | C-index (SE) | Difference (SE) | P |
|---|---|---|---|
PPB type | 0.717 (± 0.038) | ||
p53 group | 0.669 (± 0.047) | −0.048 (± 0.054) | 0.374 |
Stratified by type | 0.543 (± 0.054) | ||
Type I | 0.200 (± 0.063) | ||
Type II | 0.559 (± 0.085) | ||
Type III | 0.542 (± 0.070) | ||
p53 percent | 0.680 (± 0.046) | −0.037 (± 0.051) | 0.475 |
Stratified by type | 0.540 (± 0.056) | ||
Type I | 0.200 (± 0.063) | ||
Type II | 0.571 (± 0.086) | ||
Type III | 0.529 (± 0.074) |
