Table 4.
Association of Overall Survival and Recurrence Free Survival with Demographics and Disease Characteristics
| Factors | N | Overall Survival (Months) | Recurrence Free Survival (Months) | ||
|---|---|---|---|---|---|
| Median (95% CI) | p-value* | Median (95% CI) | p-value* | ||
| Overall | 232 | 44.0 (39.7, 49.9) | 26.3 (20.9, 38.0) | ||
| Age at Diagnosis | < 0.001 | < 0.001 | |||
| < 60 | 130 | 52.2 (45.0, 84.9) | 0.18^ | 38.0 (22.3, 49.9) | 0.26^ |
| ≥60 | 102 | 36.8 (25.1, 41.8) | 22.0 (15.3, 26.6) | ||
| Pathologic Stage | < 0.001 | < 0.001 | |||
| I/II | 68 | Not reached | < 0.001^ | Not reached | < 0.001^ |
| III/IV | 140 | 38.0 (30.1, 41.8) | 20.0 (16.6, 24.2) | ||
| Silberberg’s Grade | < 0.001 | < 0.001 | |||
| 1 | 27 | Not reached | 0.23^ | Not reached | 0.060^ |
| 2 or 3 | 205 | 41.8 (37.9, 45.9) | 24.2 (19.1, 29.9) | ||
| Persistent Disease | < 0.001 | < 0.001 | |||
| No | 144 | 69.8 (52.2, 85.7) | < 0.001^ | 35.8 (20.9, 51.4) | 0.69^ |
| Yes | 88 | 24.2 (15.3, 30.5) | 24.2 (15.3, 30.5) | ||
| LHR-I | 0.28 | 0.27 | |||
| Negative/Weak/Moderate | 80 | 51.2 (40.7, 65.9) | 29.9 (19.0, 46.0) | ||
| Strong | 152 | 41.9 (38.0, 45.3) | 24.5 (19.6, 38.0) | ||
| LHR-P | 0.36 | 0.53 | |||
| ≤ 50% | 34 | 50.3 (35.4, 74.3) | 36.0 (19.0, 50.3) | ||
| > 50% | 197 | 43.8 (39.2, 49.5) | 24.6 (20.0, 38.0) | ||
*p-value based on logrank test
^ p-value based on Wald test from Cox proportional model, adjusted by all other variables with p < 0.05 in univariate analysis