Table 1. Demographic information for the participants who were analyzed.

Variable	Xinxiang(N = 902)	Huojia(N = 427)	All patients(N = 1329)
	No. (%)	No. (%)	No. (%)
Age range
<20	31 (3.44)	22 (5.15)	53 (3.99)
20–39	369 (40.91)	121 (28.34)	490 (36.87)
40–59	295 (32.71)	153 (35.83)	448 (33.71)
≥60	207 (22.95)	131 (30.68)	338 (25.43)
Gender
Female	280 (31.04)	161 (37.70)	441 (33.18)
Male	622 (68.96)	266 (62.30)	888 (66.82)
Culture result
Smear-positive/culture-positive	117 (12.97)	48 (11.24)	165 (12.42)
Smear-negative/culture-positive	186 (20.62)	24 (5.62)	210 (15.80)
Culture-negative	599 (66.41)	355 (83.14)	954 (71.78)