Paediatric Tuberculosis at a Referral Hospital in Istanbul: Analysis of 250 Cases

Table 4

Positive diagnostic tests in patients with TB.

Test	Pulmonary	Extrapulmonary	value
	(%)	(%)
TST	87/170 (51.2)	25/40 (62.5)	0.97
MTB culture	17/80 (21.2)	3/27 (11.1)	0.24
AFB stain	14/91 (15.4)	2/31 (6.5)	0.20
PCR	13/24 (54.2)	3/9 (33.3)	0.28
Histopathology	13/15 (86.7)	13/13 (100)	0.17

AFB: acid-fast bacillus and PCR: polymerase chain reaction.