Fig. 4From: Methods for handling missing data in serially sampled sputum specimens for mycobacterial culture conversion calculationRestricted mean survival time difference for smear negative – smear positive using 8-week time horizon. Method for handling missing data: available case analysis A), last observation carried forward B), multiple imputation by fully conditional specification C).  Time horizon of 7 weeks was used for ACA because all smear negative participants converted or were censored by week 7. Shaded regions represent unadjusted estimates of restricted mean survival time differenceBack to article page