Incidence of TB based on WHO estimates from 2012: low incidence = ≤ 10 cases per 100,000 people; medium incidence = 10–100 cases per 100,000 people; high incidence = > 100 cases per 100,000 people
AFB = acid-fast bacilli; NAAT = nucleic acid amplification test; TB = tuberculosis
Figure 47 Forest plot of the sensitivity and specificity of AFB and/or NAAT compared with culture in HIV-positive patients suspected of having TB
