Prevalence of Mycobacterium tuberculosis in Taiwan: A Model for Strain Evolution Linked to Population Migration

Table 1

Association of Beijing MTB genotype and different age groups of patients^a.

Age group (yr)	No. (%) isolates	No. (%) of Beijing isolates	Odds ratio	95% C.I.	P value
	356	187 (52.53)
≤25	34 (9.55)	29 (85.29)	5.80	2.11–15.98	.0002
≤30	54 (15.17)	37 (68.52)	2.18	1.11–4.28	.02
31–60	95 (26.69)	50 (52.63)	1.11	0.65–1.90	.7
61–75	85 (23.88)	39 (45.88)	0.85	0.49–1.48	.56
≥76	122 (34.27)	61 (50.00)	1	reference group

^aAdapted from [1].