Univariate and multivariate logistic regress analysis of the association of potential risk factors with poor treatment outcomes in MDR- and XDR-TB patients*.

TB = tuberculosis;MDR = multidrug-resistant;XDR = extensively drug-resistant.OR = odds ratio.CI = confidence interval.*Variables included in the univariate analysis were shown in Table S1; All variables with a P valueP value of **n = 477 for MDR-TB; n = 44 for XDR-TB.