Figure 2.
Proportion of subclinical tuberculosis disease (TB) in prevalence surveys. The proportion of all prevalent TB cases that were subclinical (bars: left side y-axis) by the adult crude prevalence of bacteriologically confirmed TB found in that survey (crosses: right side y-axis). The first 3 bars show the median (bar) and interquartile range (error bars) for values found in surveys in Africa, Asia, and overall. Abbreviations: DPR, Democratic People’s Republic; PDR, People’s Democratic Republic; sub, subnational surveys.