Smear and culture conversion
Median time to sputum smear conversion in both groups was two weeks (95% CI 1.7 to 2.2 in vitamin D arm; 95% CI 1.7 to 2.6 in placebo arm) with hazard risk ratio of 1.06 (95% CI 0.92 to 1.23) and log rank p value 0.35 (