Table 1.
Distributions of demographic variables and tumor characteristics between 260 SCCHN cases and 246 cancer-free controls
| Variable | Case (n = 260) | Control (n = 246) | P* |
|---|---|---|---|
| Age | 0.258 | ||
| Median (range) | 58 (22–86) | 56 (25–86) | |
| ≤56 | 118 (45.4) | 124 (50.4) | |
| >56 | 142 (54.6) | 122 (49.6) | |
| Sex | 0.314 | ||
| Female | 67 (25.8) | 54 (21.9) | |
| Male | 193 (74.2) | 192 (78.1) | |
| Smoking | <0.001 | ||
| Never | 92 (35.4) | 125 (50.8) | |
| Former | 88 (33.8) | 93 (37.8) | |
| Current | 80 (30.8) | 28 (11.4) | |
| Drinking | 0.014 | ||
| Never | 70 (26.9) | 94 (38.2) | |
| Former | 63 (24.2) | 59 (24.0) | |
| Current | 127 (48.9) | 93 (37.8) | |
| Tumor site | |||
| Oral cavity | 80 (30.8) | ||
| Oropharynx | 142 (54.6) | ||
| Larynx/Hypopharynx | 38 (14.6) |
SCCHN, squamous cell carcinoma of the head and neck.
*Chi-square tests for the distributions comparison of the demographic variables between cases and controls.