| Outcome | No smoking | Smoking | Total | P value | ||
| N | % | N | % | |||
| Complete response | 27 | 79.41176 | 15 | 88.23529 | 42 | >0.05 |
| Residual disease | 7 | 20.58824 | 2 | 11.76471 | 9 | |
| Total | 34 | 100 | 17 | 100 | 51 | |
| Fishers-Exact-Test (Chi square) | 0.7 | |||||