Table I.
Characteristics | Patients with cancer, n (%) | Controls, n (%) | P-value | χ2a |
---|---|---|---|---|
Total | 175 | 189 | ||
Age, years | 0.212 | 1.555 | ||
≤45 | 83 (47.4) | 102 (54.0) | ||
>45 | 92 (52.6) | 87 (46.0) | ||
Cigarette smoking | 0.001 | 11.266 | ||
No | 144 (82.3) | 177 (93.7) | ||
Yes | 31 (17.7) | 12 (6.3) | ||
Alcohol consumption | 0.625 | 0.239 | ||
No | 140 (80.0) | 155 (82.0) | ||
Yes | 35 (20.0) | 34 (18.0) | ||
Family history | 0.216 | 1.529 | ||
No | 160 (91.4) | 179 (94.7) | ||
Yes | 15 (8.6) | 10 (5.3) | ||
Histology | ||||
Adenocarcinoma | 158 (90.3) | |||
Squamous cell | 14 (8.0) | |||
Other | 3 (1.7) |
Two-sided test.