Table 3.
Variable | Entire Cohort (N=2385) | Case-Cohort Analysis (N=961) | |||||
---|---|---|---|---|---|---|---|
No. of HCC | sHRa | 95% CI | p-value | HRb | 95% CI | p-value | |
HBsAg seroclearance | |||||||
No | 192 | 1.0 | 1.0 | ||||
Yes | 25 | 0.33 | (0.21–0.50) | <0.0001 | 0.44 | (0.23–0.82) | 0.0107 |
Baseline hepatic steatosis | |||||||
No | 149 | 1.0 | 1.0 | ||||
Yes | 68 | 0.49 | (0.36–0.66) | <0.0001 | 0.53 | (0.33–0.86) | 0.0096 |
Baseline BMI (kg/m2) | |||||||
Normal weight/underweight (<23) | 79 | 1.0 | |||||
Overweight (23–24.9) | 69 | 1.34 | (0.95–1.88) | 0.0948 | 1.0c | ||
Obesity (≥25) | 69 | 1.51 | (1.07–2.13) | 0.0193 | 1.85 | (1.18–2.89) | 0.0072 |
PNPLA3 | |||||||
II | 65 | 1.0d | 1.0e | ||||
MI | 115 | 1.64 | (1.20–2.25) | 0.0019 | 1.61 | (1.00–2.60) | 0.0500 |
MM | 37 | 1.83 | (1.20–2.78) | 0.0052 | 2.22 | (1.13–4.35) | 0.0206 |
Baseline diabetes | |||||||
No | 207 | 1.0 | 1.0 | ||||
Yes | 10 | 1.43 | (0.73–2.80) | 0.3000 | 3.71 | (1.50–9.19) | 0.0046 |
Baseline HBV DNA (log copies/mL) (continuous) | 1.37 | (1.23–1.52) | <0.0001 | ||||
Baseline HBV genotype | |||||||
B or B+C | 1.0 | ||||||
C | 3.16 | (2.01–4.96) | <0.0001 | ||||
Baseline BCP double mutations | |||||||
No | 1.0 | ||||||
Yes | 2.32 | (1.45–3.70) | 0.0004 |
Notes: aAdjusted for age (continuous), ALT (≥40 vs <40 U/L), history of liver disease, first-degree family history of HCC, cigarette smoking (non-smokers, ex-smokers, current smokers), and alcohol consumption at baseline, and variables listed in the table bDerived from a weighted Cox regression model adjusted for age (continuous), ALT (≥40 vs <40 U/L), history of liver disease, and first-degree family history of HCC at baseline, and variables listed in the table cBMI<25 kg/m2 was used as reference group. dp-value for trend=0.0006. ep-value for trend=0.0090.
Abbreviations: sHR, sub-distribution hazard ratio; BCP, basal core promoter.