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Volume 17, Number 9—September 2011

Letter

Isoniazid-Resistant Tuberculosis, Taiwan, 2000–2010

Chih-Cheng Lai, Che-Kim Tan, Yu-Tsung Huang, Chun-Hsing Liao, and Po-Ren Hsueh
Author affiliations: Author affiliations: Chi-Mei Medical Center, Liouying, Tainan, Taiwan (C.C. Lai), Chi-Mei Medical Center, Yong-Kang, Tainan (C.-K. Tan); National Taiwan University Hospital, Taipei, Taiwan (Y.-T. Huang, P.-R. Hsueh); National Taiwan College of Medicine, Taipei (Y.-T. Huang, P.-R. Hsueh); Far Eastern Memorial Hospital, New Taipei City, Taiwan (C.-H. Liao)

Main Article

Table

Factors associated with isoniazid resistance among Mycobacterium tuberculosis isolates, National Taiwan University Hospital, Taiwan, 2000–2010*

Factor No. infections No. isoniazid- resistant infections Resistance rate OR (95% CI)
Patient age, y
<14 42 2 4.76 0.32 (0.08–1.23)
14 to <24 241 22 9.13 0.64 (0.42–1.07)
24 to <34 342 36 10.53 0.75 (0.48–1.18)
34 to <44 384 52 13.54 Reference
44 to <54 490 56 11.43 0.82 (0.55–1.23)
54 to <64 609 70 11.49 0.83 (0.57–1.22)
64 to <74 845 96 11.36 0.82 (0.57–1.17)
74 to <84 986 85 8.62 0.60 (0.42–0.87)
84
350
28
8.00
0.56 (0.34–0.90)
Patient sex
F 1,356 128 9.44 0.85 (0.69–1.06)
M
2,933
319
10.88
Reference
Pulmonary tuberculosis
No 772 56 7.25 0.63 (0.47–0.84)
Yes 3,517 391 11.12 Reference

*OR, odds ratio; CI, confidence interval.

Main Article

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