Table 1. Distribution of TB patients with different TB-DNA results detected from CT-guided transthoracic needle aspiration biopsy.

Characteristics	No. of patients with different TB-DNA results, n (%)		P value
	Positive	Negative
Sex
Male	176 (71.3)	71 (28.3)	Ref.
Female	82 (70.1)	35 (29.9)	0.819
Age group (years)
<25	61 (85.9)	10 (14.1)	0.002
25–44	77 (67.0)	38 (33.0)	0.536
45–64	82 (70.1)	35 (29.9)	0.293
>65	38 (62.3)	23 (37.7)	Ref.
Smoking status
No	124 (68.1)	58 (31.9)	Ref.
Yes	134 (73.6)	48 (26.4)	0.249
Comorbidity
No	225 (72.3)	86 (27.7)	Ref.
Diabetes	25 (53.8)	14 (46.2)	0.283
Liver disease	5 (62.5)	3 (37.5)	0.540
Others	3 (50.0)	3 (50.0)	0.355
Location of aspiration site
Upper lobe	155 (76.4)	48 (23.6)	0.008
Middle lobe or lingula of left lung	14 (70.0)	6 (30.0)	0.549
Lower lobe	89 (63.1)	52 (36.9)	Ref.
CT interpretation of aspiration site
Consolidation	76 (66.7)	38 (33.3)	Ref.
Nodule	128 (71.5)	51 (28.5)	0.380
Mass	32 (78.0)	9 (22.0)	0.174
Cavity	22 (73.3)	8 (26.7)	0.486