Incidence of TB based on WHO estimates from 2012: high incidence = > 100 cases per 100,000 people. The combined values are for all studies in both Figures 41 and 42.
NAAT = nucleic acid amplification test; TB = tuberculosis
NAAT compared with culture, grouped according to use of in-house or commercial NAAT, for studies conducted in countries with low and medium incidence of TB" align="bottom" width="928" height="510" border="0">
Figure 43 Forest plot of the sensitivity and specificity of AFB plus NAAT compared with culture, grouped according to use of in-house or commercial NAAT, for studies conducted in countries with low and medium incidence of TB
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
AFB = acid-fast bacilli; NAAT = nucleic acid amplification test; TB = tuberculosis
Figure 44 Forest plot of the sensitivity and specificity of AFB plus NAAT compared with culture, grouped according to use of in-house or commercial NAAT, for studies conducted in countries with high incidence of TB
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