Table 1. Prevalence of pulmonary tuberculosis (PTB) among sputum smear negative HIV infected TB suspects (n = 170).

Category	Parameter	Culture positive/TB cases (n = 62)	Culture negative (n = 108)
Gender	Females	34 (54.8%)	68 (63.0%)
	Males	28 (45.2%)	40 (37.0%) P = 0.285
Age	Mean (SD)	36.5(9.4)
	Median (IQR)	35(32–37)
Age groups (Years)	20–30	21 (33.9%)	31(28.7%)
	31–40	24 (38.7%)	45(41.7%)
	41–50	13 (21.0%)	21(19.4%)
	51–60	4 (6.5%)	7(6.5%)
	61–70	0 (0.0%)	2(1.9%)
	Unknown	0 (0.0%)	2(1.9%)

SD = Standard Deviation, IQR = Inter Quartile Range.