Table 2

Relative risk (hazard rates) of relapse according to the univariate analysis (Cox regression) stratified by centre

VariableHBeAg relapseHBV DNA relapse
VariableRelative risk (95% CI)p Value (log likelihood)Relative risk (95% CI)p Value (log likelihood)
IFN, interferon; LAM, lamivudine; HBV, hepatitis B virus; HBeAg, hepatitis B e antigen; ALT, alanine aminotransferase; ULN, upper limit of normal; RCT, randomised controlled trial
Therapy0.00080.0005
    IFN11
    LAM7.4 (2.5–22.4)0.00037.1 (2.4–20.1)0.0002
    Combination1.3 (0.8–4.5)0.681.1 (0.3–3.8)0.87
Age (y)1.00 (0.98–1.02)0.871.00 (0.98–1.03)0.70
Sex
    Male1
    Female0.4 (0.2–0.9)0.020.5 (0.2–1.1)0.05
Race
    Caucasian11
    Asian0.8 (0.3–2.3)0.751.0 (0.4–2.6)0.97
Previous therapy0.240.05
    None11
    IFN1.3 (0.6–2.6)0.491.4 (0.7–2.7)0.37
    LAM3.9 (0.8–19.3)0.116.6 (1.4–31.3)0.02
Study type
    RCT11
    Cohort1.3 (0.3–5.6)0.751.85 (0.5–6.8)0.38
HBV DNA (log)1.51 (1.04–2.21)0.031.50 (1.03–2.19)0.03
HBV DNA
    HBV DNA <10811
    HBV DNA >1082.2 (1.2–4.2)0.012.1 (1.1–3.8)0.02
ALT (×ULN)0.040.07
    ≤211
    2–50.4 (0.2–0.9)0.030.5 (0.2–1.0)0.04
    ≥50.4 (0.1–0.9)0.020.4 (0.2–1.0)0.04
Duration of lamivudine therapy0.280.22
    24–48 weeks11
    48–72 weeks0.4 (0.2–1.2)0.110.4 (0.2–1.1)0.09
    >72 weeks0.5 (0.1–2.8)0.450.7 (0.2–2.8)0.57