Time to Sputum Culture Conversion in Multidrug-Resistant Tuberculosis: Predictors and Relationship to Treatment Outcome

View larger version (11K): [in a new window]   Figure 1. Comparison of distribution survival plot versus the observed Kaplan–Meier survival curve in 167 patients.

View larger version (14K): [in a new window]   Appendix Figure. Comparison of , log-normal, and Weibull distribution survival plots versus the observed Kaplan–Meier survival curve in 167 patients.

View larger version (15K): [in a new window]   Figure 2. Initial sputum culture conversion in 129 of 167 culture-positive patients who had culture conversion. Thirty-eight of 167 patients who were sputum culture–positive at treatment initiation did not have conversion.

View larger version (17K): [in a new window]   Figure 3. Kaplan–Meier survival curve of time to initial sputum culture conversion versus category of previous treatment in 167 patients. The P value reflects the results of the log-rank test of the equality of the 3 survival curves. TB = tuberculosis.