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

Figure 3. The value reflects the results of the log-rank test of the equality of the 3 survival curves. TB = tuberculosis.
Kaplan–Meier survival curve of time to initial sputum culture conversion versus category of previous treatment in 167 patients.P
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Ann Intern Med
May 2, 2006
vol. 144
no. 9
650-659