Volume 6, Number 3—June 2000
Dispatch
Mycobacterium tuberculosis Beijing Genotype Emerging in Vietnam
Dang Duc Anh*, Martien W. Borgdorff†, L.N. Van‡, N.T.N. Lan§, Tamara van Gorkom¶, Kristin Kremer¶, and Dick van Soolingen¶
Table 1
Beijing genotype of Mycobacterium tuberculosis in 563 new tuberculosis cases, by age and BCG status, in Hanoi and Ho Chi Minh City, Vietnam, 1998
| n | Beijing genotype | ORa (95% CIb) | ||||
|---|---|---|---|---|---|---|
| n | (%) | Crude | Adjustedc | |||
| Province | ||||||
| Hanoi | 64 | 37 | (58) | 1 (p>0.05) | ||
| Ho Chi Minh City | 499 | 264 | (53) | 0.8 (0.5-1.4) | ||
| Age group | ||||||
| <25 | 76 | 54 | (71) | 1 (p<0.001) | 1 | |
| 25-34 | 173 | 102 | (59) | 0.6 (0.3-1.0) | 0.6 (0.3-1.1) | |
| 35-44 | 164 | 83 | (51) | 0.4 (0.2-0.7) | 0.4 (0.2-0.8) | |
| 45-54 | 74 | 31 | (42) | 0.3 (0.1-0.6) | 0.3 (0.2-0.6) | |
| 55-64 | 39 | 16 | (41) | 0.3 (0.1-0.6) | 0.3 (0.1-0.7) | |
| 65+ | 37 | 15 | (41) | 0.3 (0.1-0.6) | 0.3 (0.1-0.7) | |
| BCG scar | ||||||
| Yes | 285 | 167 | (59) | 1(p<0.05) | 1 | |
| No | 278 | 134 | (48) | 0.7 (0.5-0.9) | 0.9 (0.6-1.3) | |
| Total | 563 | 301 | (54) | |||
aOR, odds ratio.
bCI, confidence interval.
cAdjusted for age and BCG vaccination.
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