DOT and timely treatment completion among Asian-born immigrant tuberculosis patients

Sze Yan Liu, J. H. Li, N. W. Schluger

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

SETTING: A large urban tuberculosis (TB) control program. OBJECTIVES: To identify factors associated with directly observed therapy (DOT) participation and to quantify how early use of DOT affected treatment duration. DESIGN: A retrospective study of 731 Asian-born patients with drug-susceptible Mycobacterium tuberculosis isolates who were verified in New York City between 1993 and 1997 and completed treatment. RESULTS: Overall, 297 (41%) of 731 patients in the study participated in DOT for some or all of their TB treatment. DOT participation was significantly associated with TB disease in a pulmonary site (adjusted odds ratio [aOR] 2.85, 95%CI 1.86-4.35), more recent year of diagnosis (aOR 1.70, 95%CI 1.50-1.94) and male sex (aOR 1.86, 95%CI 1.30-2.66). Patients who received ≥70% of their TB treatment at a health department chest clinic were also significantly more likely to participate in DOT (aOR 3.83, 95%CI 2.55-5.74). Among 297 DOT patients, those who completed treatment by 9 months received a greater amount of treatment by DOT during the first 4 months of treatment than those who took longer to complete treatment. CONCLUSION: Earlier DOT participation can lead to overall shorter treatment duration. Health care providers should encourage TB patients to participate in DOT as early as possible in their TB treatment.

Original languageEnglish
Pages (from-to)884-889
Number of pages6
JournalInternational Journal of Tuberculosis and Lung Disease
Volume9
Issue number8
StatePublished - Aug 2005

All Science Journal Classification (ASJC) codes

  • Infectious Diseases
  • Pulmonary and Respiratory Medicine

Keywords

  • Asian immigrants
  • Directly observed therapy
  • Treatment completion
  • Tuberculosis

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