Table 3.

Mycobacteria detection rate of various in vitro diagnostic methods applied to urine specimen from PTB patients.

Detection rate of Mtb from suspected PTB cases (n = 117) (and result of sputum sample)	Detection rate of mycobacteria in urine
	Microscopy	L–J culture	PCR
Smear, culture and PCR positive (n = 11)	5 (45.5%)	6 (54.5%)	11 (100%)
Smear negative, culture and PCR positive (n = 22)	2 (7.7%)	9 (34.5%)	14 (53.8%)
Smear negative, culture negative and PCR positive (n= 7)	0	4 (50%)	6 (75%)

L–J, Lewiston Jensen media; PCR, polymerase chain reaction.