GSTM1 and alcohol dependence: The unadjusted OR of death (n = 311) were significantly higher for alcohol abusers (OR 2.11; 95% CI 1.25–3.58; p = 0.005), patients with Hb < 100 g/l at the time of TB diagnosis (OR 2.73; 95% CI 1.23–6.07; p = 0.014) and drug-resistant TB (OR 2.02; 95% CI 1.2–3.39; p = 0.008).