TABLE 1.

Performances of microscopy examination and the SDHO MTB test with culture-confirmed PTB patients and non-PTB patients in Bangui, Central African Republic

Diagnostic test	No. of samples					% (95% confidence interval)
	Total	True positive	False positive	True negative	False negative	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Accuracy
Microscopy	99	55	0	31	13	80.9 (69.2-89.0)	100.0 (83.3-100.0)	100.0 (91.9-100.0)	70.5 (54.6-82.8)	86.9 (78.6-92.8)
SDHO MTB	99	14	3	28	54	20.6 (12.1-32.5)	90.3 (73.1-97.5)	82.4 (55.8-95.3)	34.1 (24.3-45.5)	42.4 (32.5-52.8)
P						<0.000001	NSa	NDb	<0.0001	<0.000001

^aNS, not significant.

^bND, not determined.