47 3 Epidemiology and control of DM-TB Comorbidity Strengths and Limitations of the Study • The use of a prospective cohort design allows for the collection of more accurate and complete data. • Interview of key informants provides useful background to different factors which impact services access by TB patients. • Reduced sample size due to a reduced number of new TB patients and a short followup period • Information on the incidence of DM or hyperglycemia is limited due to a short followup period since DM may develop a few months after treatment. • Healthcare workers may provide limited information during the in-depth interview due to fear of reprimand by the health authorities. Keywords: Diabetes, Tuberculosis, COVID-19
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