Bulletin of the World Health Organization

National survey of tuberculosis prevalence in Viet Nam

Nguyen Binh Hoa, Dinh Ngoc Sy, Nguyen Viet Nhung, Edine W Tiemersma, Martien W Borgdorff & Frank GJ Cobelens

Volume 88, Number 4, April 2010, 273-280

Table 4. Estimated patient diagnosis rates for the Viet Nam National Tuberculosis Programme, by sex, age group and geographic region, 2006–2007

Category Annual notification rate (per 100 000) Annual prevalence rate (per 100 000) PDRa 95% CI
Total 93 155 0.60 0.49–0.78
Sex
Male 137 273 0.50 0.40–0.66
Female 49 57 0.86 0.59–1.59
Age (years)
15–24 32 42 0.76 0.44–2.70
25–34 69 73 0.94 0.55–3.15
35–44 93 166 0.56 0.37–1.10
45–54 135 182 0.74 0.53–1.26
55–64 176 228 0.77 0.50–1.72
≥ 65 254 384 0.66 0.45–1.27
Region
North 66 123 0.54 0.40–0.80
Central 77 143 0.54 0.39–0.88
South 131 200 0.66 0.48–1.02

CI, confidence interval; PDR, patient diagnostic rate.
a Calculated from the notification rates for new smear-positive tuberculosis cases and the weighted prevalence rates of new smear-positive tuberculosis cases as estimated from the prevalence survey, weighted for stratification by area, differential population growth from 1999 to 2006 and differential cluster size. Source: WHO 2008.
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