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Distribution of risk factors among lung cancer patients.
| Pre-Period of CT | Peri-Period of CT | Period of CT | p | |
|---|---|---|---|---|
| Smoking history | <0.001 | |||
| Negative | 113 (56.5) | 34 (72.4) | 211 (81.2) | |
| Positive | 87 (43.5) | 13 (27.7) | 49 (18.8) | |
| Family cancer history | 0.719 | |||
| Negative | 191 (95.5) | 46 (97.9) | 251 (96.5) | |
| Positive | 9 (4.5) | 1 (2.1) | 9 (3.5) |
