Number of households in South Africa with catastrophic costs averted by intensified case finding and improved tuberculosis care, compared with the base case, by income quintile
(A) Harvard model. (B) TB Impact Model and Estimates model. The base case covers the period 2016–35, during which all coverage levels and treatment success rates were assumed to remain at a constant. Numbers of households are shown with 95% uncertainty ranges. Quintiles range from poorest (quintile 1) to richest households (quintile 5). DS-TB=drug-sensitive tuberculosis. MDR-TB=multidrug-resistant tuberculosis.