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 2
Risk factors for drug resistance in 499 new tuberculosis cases in Ho Chi Minh City
| Resistance (%) |
ORa (95% CIb) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Genotype | No. | INH | SM | RIF | EMB | MDR | INH | SM | |
| Beijing | 264 | 28 | 42 | 3 | 3 | 3 | 1.7 (1.1-2.6) | 3.1 (2.0-4.6) | |
| Other | 235 | 19 | 19 | 2 | 1 | 2 | 1 (p<0.05) | 1 (p<0.001) | |
| Age group | |||||||||
| <25 | 66 | 17 | 36 | 3 | 0 | 3 | 1 (p>0.05) | 1 (p>0.05) | |
| 25-34 | 165 | 27 | 32 | 3 | 2 | 3 | 1.8 (0.9-3.8) | 0.8 (0.4-1.5) | |
| 35-44 | 147 | 25 | 33 | 1 | 1 | 1 | 1.7 (0.8-3.5) | 0.8 (0.5-1.6) | |
| 45-54 | 59 | 19 | 25 | 3 | 5 | 3 | 1.1 (0.5-2.9) | 0.6 (0.3-1.3) | |
| 55-64 | 30 | 23 | 23 | 3 | 3 | 3 | 1.5 (0.5-4.4) | 0.5 (0.2-1.4) | |
| 65+ | 32 | 31 | 31 | 0 | 0 | 0 | 2.3 (0.8-6.1) | 0.8 (0.3-2.0) | |
| BCG scar | |||||||||
| Yes | 259 | 22 | 31 | 3 | 2 | 3 | 1(P>0.05) | 1 (P>0.05) | |
| No | 402 | 73 | 22 | 2 | 2 | 2 | 1.3 (0.9-2.0) | 1.1 (0.7-1.6) | |
| Total | 499 | 24 | 31 | 2 | 2 | 2 | |||
aOR, odds ratio.
bCI, confidence interval.
INH, isoniazide; SM, streptomycin; RIF, rifampin; EMB, ethambutol; MDR, multidrug resistant
