From: Role of interferon-gamma release assays in the diagnosis of pulmonary tuberculosis in patients with advanced HIV infection
Overall
(N = 158)
AFB Smear-Positive
(N = 45)
AFB Smear-Negative
(N = 113)
p-value
% Sensitivity (95% CI)
73 (62-82)
78 (62-89)
67 (52-81)
0.27
% Specificity (95% CI)
54 (42-66)
50 (7-93)
0.87