UGT1A1 and tuberculosis: By linear regression analysis, the UGT1A1*28 polymorphism and body weight were the only factors associated to bilirubin levels within controls (Ln TB = 1.143+0.462 UGT1A1*28 polymorphism +0.014 weight; standardised Beta: 0.598 and 0.490; p<0.001 and p = 0.001, respectively).