Table 1.
Baseline characteristics of the study cohort (N = 2762)*
| Variable | No. (%) |
| Sex | |
| Female | 1187 (43.0) |
| Male | 1575 (57.0) |
| Age, y | |
| 30–39 | 927 (33.6) |
| 40–49 | 785 (28.4) |
| 50–59 | 798 (28.9) |
| 60–65 | 252 (9.1) |
| Cigarette smoker† | |
| No | 1898 (68.8) |
| Yes | 862 (31.2) |
| Alcohol drinker‡ | |
| No | 2442 (88.6) |
| Yes | 314 (11.4) |
| Serum ALT level, U/L | |
| <15 | 1659 (60.1) |
| 15–44 | 933 (33.8) |
| ≥45 | 170 (6.2) |
| HBeAg serostatus | |
| Negative | 2235 (80.9) |
| Positive | 527 (19.1) |
| HBV DNA level, copies/mL | |
| 100–9999 | 1013 (36.7) |
| 10 000–99 999 | 746 (27.0) |
| 100 000–999 999 | 380 (13.8) |
| ≥106 | 623 (22.6) |
| Liver cirrhosis at entry | |
| No | 2692 (97.5) |
| Yes | 70 (2.5) |
*
Some percentages do not total 100 because of rounding. ALT = alanine aminotransferase; HBeAg = hepatitis B virus e antigen; HBV = hepatitis B virus.
†
Data not available for two subjects.
‡
Data not available for six subjects.