Table 3.

Comparison of TB culture positive and culture negative patients

	Positive TB Culture (N = 20)	Negative TB Culture (N = 101)	p-value
Mean Age - yr	58.4	60.9	0.525
Symptomatic* - no. (%)	19 (95)	89 (88.1)	0.692
Median symptom duration - days	21	14	0.634
CXR suggestive of active TB - no. (%)	5 (25)	10 (10)	0.129
Mean length of hospitalization - days	18.4	11.6	0.057
Mean cost of stay in isolation ward - USD	2624	1727	<0.01

CXR = chest radiograph, TB = tuberculosis.

*includes cough, fever, anorexia, loss of weight, dyspnea and hemoptysis.