JCM Accepts, published online ahead of print on 2 July 2008

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J. Clin. Microbiol. doi:10.1128/JCM.01132-08
Copyright (c) 2008, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Clinical Impact of Mycobacterium Tuberculosis W-Beijing Genotype Strain on Aged Patients in Taiwan

Jia-Yih Feng, Wei-Juin Su, Cheng-Chien Tsai, and Shi-Chuan Chang^*

Chest Department, Taipei Veterans General Hospital, School of Medicine, and Institute of Emergency and Critical Care medicine, National Yang-Ming University, Taipei, Taiwan

^* To whom correspondence should be addressed. Email: scchang{at}vghtpe.gov.tw.

The impact of W-Beijing genotype Mycobacterium tuberculosis on treatment outcome was evaluated in 249 newly diagnosed tuberculosis patients. No significant difference in the treatment outcome was found between W-Beijing and non-W-Beijing groups. However, poor outcome was more common in the elderly patients ( 65 years) infected with W-Beijing strain.

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