Factor | 5-year PFS (%) | p | 5-year OS (%) | p |
---|---|---|---|---|
Single or double | ||||
 Single-agent | 40.9 | 0.367 | 62.7 | 0.161 |
 Double-agent | 52.5 |  | 78.2 |  |
Stage | ||||
 I | 65.2 | 0.006 | 91.1 | 0.005 |
 II | 42.7 |  | 67.1 |  |
 III | 32.8 |  | 47.6 |  |
 Sex |  | 0.47 |  | 0.346 |
 Male | 42.2 |  | 66.7 |  |
 Female | 58.2 |  | 75.6 |  |
Radiotherapy | ||||
 dose (Gy) |  |  |  |  |
  > 60 | 43.8 | 0.287 | 65.8 | 0.735 |
 50–60 | 50.6 |  | 70.8 |  |
Age (years) | ||||
  ≥ 65 | 21.8 | 0.115 | 61.3 | 0.698 |
  < 65 | 55.7 |  | 74.9 |  |