Table 3.
Risk Group | Training Cohort | Validation Cohort | ||||
---|---|---|---|---|---|---|
No. of Patients | HR (95% CI) | P | No. of Patients | HR (95% CI) | P | |
Low (0-1) | 98 | 1.00 | 47 | 1.00 | ||
Intermediate (2-3) | 459 | 1.76 (1.24 to 2.49) | .0017 | 258 | 1.66 (1.01 to 2.71) | .045 |
High (4-5) | 237 | 2.87 (1.99 to 4.14) | < .001 | 104 | 2.29 (1.35 to 3.87) | .002 |
Very high (≥ 6) | 45 | 6.75 (4.28 to 10.67) | < .001 | 18 | 5.02 (2.48 to 10.15) | < .001 |
Overall P* | < .001 | < .001 |
Abbreviations: HR, hazard ratio; OS, overall survival.
Wald test.