Abstract
BACKGROUND: Half of India´s three million TB patients are treated in the largely unregulated private sector, where quality of care is often poor. Private provider interface agencies (PPIAs) seek to improve private sector quality of care, which can be measured in terms of case fatality and recurrence rates.METHODS: We conducted a retrospective cohort survey of 4,000 private sector patients managed by the PATH PPIA between 2014 and 2017. We estimated treatment and post-treatment case-fatality ratios (CFRs) and recurrence rates. We used Cox proportional hazards models to identify predictors of fatality and recurrence. Patient loss to follow-up was adjusted for using selection weighting.RESULTS: The treatment CFR was 7.1% (95% CI 6.0-8.2). At 24 months post-treatment, the CFR was 2.4% (95% CI 1.7-3.0) and the recurrence rate was 1.9% (95% CI 1.3-2.5). Treatment fatality was associated with age (HR 1.02, 95% CI 1.02-1.03), clinical diagnosis (HR 0.61, 95% CI 0.45-0.84), treatment duration (HR 0.09, 95% CI 0.06-0.10) and adherence. Post-treatment fatality was associated with treatment duration (HR 0.87, 95% CI 0.79-0.91) and adherence.CONCLUSIONS: We found a moderate treatment phase CFR among PPIA-managed private sector patient with low rates of post-treatment fatality and recurrence. Routine monitoring of patient outcomes after treatment would strengthen PPIAs and inform future post TB interventions.
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