Table 2 Event rates and adjusted hazard ratios of first liver-related events, according to BMI category and according to alcohol category
BMI and alcohol categories | First event rate per 1000 person years (95% confidence intervals) | Hazard ratio (95% confidence intervals)a | Hazard ratio (95% confidence intervals)b |
|---|---|---|---|
BMI category (kg/m2) | |||
  < 25 | 0.45 (0.4–0.5) | 1 (reference) | 1 (reference) |
 25 - <30 | 0.65 (0.5–0.8) | 1.44 (1.10–1.87) | 1.31 (1.01–1.72) |
  ≥ 30 | 1.06 (0.9–1.3) | 2.25 (1.70–2.97) | 1.85 (1.38–2.48) |
Alcohol category (units/week) | |||
 None | 0.86 (0.7–1.0) | 1 (reference) | 1 (reference) |
  < 1–15 | 0.55 (0.5–0.6) | 0.70 (0.55–0.88) | 0.78 (0.61–1.00) |
 16–20 | 0.68 (0.3–1.2) | 0.93 (0.50–1.73) | 0.97 (0.52–1.82) |
  ≥ 21 | 1.37 (0.7–2.5) | 1.82 (0.97–3.39) | 1.83 (0.97–3.44) |