First Insight into the Molecular Epidemiology of Mycobacterium tuberculosis Isolates from the Minority Enclaves of Southwestern China

Table 3

Differences of characteristics between Beijing and non-Beijing genotype.

Characteristics	Total number of isolates	Number (%) of isolates		OR	95% CI	value
		Beijing	Non-Beijing
		Resistance to
INH	14 (5.2)	8 (5.3)	6 (5.0)	0.94	0.32~2.79	0.91
RIF	5 (1.8)	4 (2.6)	1 (0.8)	0.31	0.03~2.80	0.39
MDR	4 (1.5)	3 (2.0)	1 (0.8)	0.41	0.04~4.04	0.63
Gender
Men	196 (72.3)	100 (66.2)	96 (80.0)	1.00 (Ref.)	—	—
Women	75 (27.7)	51 (33.8)	24 (20.0)	2.04	1.17~3.57	0.01
Age group (years)
<25	44 (16.2)	32 (21.2)	12 (10.0)	1.00 (Ref.)	—	—
25–44	108 (39.9)	65 (43.0)	43 (35.8)	0.57	0.26~1.22	0.14
45–64	92 (33.9)	41 (27.2)	51 (42.5)	0.30	0.14~0.66	<0.01
>64	27 (10.0)	13 (8.6)	14 (11.7)	0.35	0.13~0.95	0.04
Occupation
Farmer	226 (83.4)	121 (80.1)	105 (87.5)	0.58	0.29~1.13	0.11
Others	45 (16.6)	30 (19.9)	15 (12.5)	1.00 (Ref.)	—	—
Ethnicity
Han	133 (49.1)	76 (50.3)	57 (47.5)	1.00 (Ref.)	—	—
Hani	30 (11.1)	11 (7.3)	19 (15.8)	0.43	0.19~0.98	0.04
Yi	28 (10.3)	10 (6.6)	18 (15.0)	0.42	0.18~0.97	0.04
Dai	26 (9.6)	13 (8.6)	13 (10.8)	0.75	0.32~1.74	0.50
Others	54 (19.9)	41 (27.2)	13 (10.8)	2.37	1.16~4.82	0.02
Region
Qujing	49 (18.1)	41 (27.2)	8 (6.7)	1.00 (Ref.)	—	—
Dehong	35 (12.9)	28 (18.5)	7 (5.8)	0.78	0.25~2.40	0.67
Lijiang	22 (8.1)	12 (7.9)	10 (8.3)	0.23	0.08~0.72	0.01
Lincang	31 (11.4)	10 (6.6)	21 (17.5)	0.09	0.03~0.27	<0.01
Puer	94 (34.7)	46 (30.5)	48 (40.0)	0.19	0.08~0.44	<0.01
Xishuangbanna	40 (14.8)	14 (9.3)	26 (21.7)	0.11	0.04~0.28	<0.01
Treatment History
New case	246 (90.8)	138 (91.4)	108 (90.0)	1.00 (Ref.)	—	—
Retreated	25 (9.2)	13 (8.6)	12 (10.0)	0.85	0.37~1.93	0.69