Table III.
Comparison by cumulative smoking.
| T/T | T/G | G/G | |||
|---|---|---|---|---|---|
|
|
|
|
|||
| Variable | n | Mean ± SD | Mean ± SD | Mean ± SD | P-valuea (T/T+T/G vs. G/G) |
| Total | 755 | 39.9±36.5 | 36.5±38.7 | 34.1±35.0 | 0.35 |
| Female | 286 | 8.2±18.7 | 8.2±18.6 | 7.6±18.4 | 0.88 |
| Male | 469 | 55.9±32.6 | 53.6±37.6 | 52.5±31.9 | 0.70 |
| AD | 482 | 26.3±30.1 | 20.6±28.8 | 23.1±31.4 | 0.99 |
| SQ | 182 | 70.8±33.9 | 62.0±32.9 | 57.2±34.5 | 0.07 |
| SCLC | 52 | 58.8±34.9 | 67.5±56.7 | 59.2±24.8 | 0.93 |
a
Kruskal-Wallis test.
SD, standard deviation; AD, adenocarcinoma; SQ, squamous cell carcinoma; SCLC, small cell lung cancer.