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The Basic Information of the Participants
| Characteristics | Case (n=600) | Control (n=600) | χ2/t | p |
|---|---|---|---|---|
| Gender (%) | 0.032 | 0.858 | ||
| Male | 384 (64.0) | 381 (63.5) | ||
| Female | 216 (36.0) | 219 (36.5) | ||
| Age | 0.674 | 0.344 | ||
| Mean ±SD | 57.03±10.54 | 56.45±10.64 | ||
| Smoking (%) | 0.032 | 0.858 | ||
| Yes | 381 (63.5) | 378 (63.0) | ||
| No | 219 (36.5) | 222 (37.0) | ||
| Pathological types | ||||
| AC | 278 (46.3) | |||
| SCC | 187 (31.2) | |||
| SCLC | 110 (18.3) | |||
| Others | 25 (4.2) |
Abbreviations: AC, adenocarcinoma; SCC, squamous cell carcinoma; SCLC, small cell lung cancer.
