Chest Radiography and Xpert MTB/RIF® Testing in Persons with Presumptive Pulmonary TB: Gaps and Challenges from a District in Karnataka, India

Table 3

Factors associated with CB-NAAT in presumptive pulmonary TB enrolled for sputum smear examination in seven selected designated microscopy centers in Chikkaballapur District during February-March 2019.

Characteristics			(%)	Chi-square test; value
Total	732	49	(6.7)
Designated microscopy center
District hospital	243	9	(3.7)	0.09
Taluka hospital 1	249	19	(7.6)
Taluka hospital 2	125	14	(11.2)
Primary health center 1	32	3	(9.4)
Primary health center 2	33	0	(0.0)
Primary health center 3	17	1	(5.9)
Primary health center 4	33	3	(9.1)
Age (in years)
<25	82	5	(6.1)	0.942
25 to 34	138	10	(7.2)
35 to 44	106	5	(4.7)
45 to 54	108	9	(8.3)
55 to 64	129	10	(7.8)
>64	146	9	(6.2)
Not recorded	23	1	(4.3)
Gender
Male	455	33	(7.3)	0.336
Female	276	15	(5.4)
Transgender	1	1	(100.0)
Place of residence
Urban	535	43	(8.0)	0.017
Rural	197	6	(3.0)
Predominant symptom
Cough	272	12	(4.4)	0.09
Cough+fever	259	18	(6.9)
Not recorded	200	19	(9.5)
Hemoptysis	1	0	(0.0)
Sputum smear results
Negative	675	12	(1.8)	<0.01
Positive	57	37	(64.9)
Underwent chest radiography
Yes	301	26	(8.6)	0.079
No	431	23	(5.3)

Fischer’s exact test; value. Chi-square test; value.