Table I.
Demographic and selected variables in the hepatocellular carcinoma cases and controls.
| Variables | Cases (n=772) n (%) | Control (n=852) n (%) | χ2 | P-value |
|---|---|---|---|---|
| Age (years) | ||||
| ≤19 | 3 (0.40) | 1 (0.10) | 6.080 | 0.108 |
| 20–39 | 169 (21.90) | 226 (26.50) | ||
| 40–59 | 462 (59.80) | 489 (57.40) | ||
| ≥60 | 138 (17.90) | 136 (16.00) | ||
| Gender | ||||
| Male | 623 (80.70) | 656 (77.90) | 1.906 | 0.167 |
| Female | 149 (19.30) | 186 (22.10) | ||
| HBV history | ||||
| No | 383 (49.60) | 820 (96.20) | 458.645 | <0.001 |
| Yes | 389 (50.40) | 32 (3.80) | ||
| HCC family history | ||||
| No | 639 (83.00) | 850 (99.8) | 153.451 | <0.001 |
| Yes | 133 (17.20) | 2 (0.2) | ||
| Tobacco smoking history | ||||
| No | 496 (64.20) | 729 (85.60) | 99.287 | <0.001 |
| Yes | 276 (35.80) | 123 (14.40) | ||
| Alcohol drinking history | ||||
| No | 484 (62.70) | 729 (85.60) | 112.057 | <0.001 |
| Yes | 288 (37.30) | 123 (14.40) | ||
| HBsAg | ||||
| (−) | 165 (21.40) | 591 (69.40) | 374.983 | <0.001 |
| (+) | 607 (78.60) | 261 (30.60) |