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Volume 27, Number 3—March 2021
Research

Decline of Tuberculosis Burden in Vietnam Measured by Consecutive National Surveys, 2007–2017

Hai Viet Nguyen, Hoa Binh NguyenComments to Author , Nhung Viet Nguyen, Frank Cobelens, Alyssa Finlay, Cu Huy Dao, Veriko Mirtskhulava, Philippe Glaziou, Huyen T.T. Pham, Petra de Haas, and Edine Tiemersma
Author affiliations: National Tuberculosis Programme, Hanoi, Vietnam (H.V. Nguyen, H.B. Nguyen, N.V. Nguyen, C.H. Dao, H.T.T. Pham); Amsterdam University Medical Centers, Amsterdam, the Netherlands (H.V. Nguyen, F. Cobelens); US Centers for Disease Control and Prevention, Vietnam Office, Hanoi (A. Finlay); KNCV Tuberculosis Foundation, Den Haag, the Netherlands (V. Mirtskhulava, P. de Hass, E. Tiemersma); World Health Organization, Geneva, Switzerland (P. Glaziou).

Main Article

Table 1

Comparison of characteristics of participants eligible for sputum collection during 2 national TB prevalence surveys in Vietnam, 2007 and 2017

Characteristic
 First survey, 2007
Second survey, 2017
 p value†
Participants
 Screened positive*
 % Positive
 Participants
 Screened positive*
 % Positive
Total
 94,156
 7,529
 8.0
61,763
 4,595
 7.4
 <0.001
Sex
M 42,596 4,580 10.8 27,150 2,794 10.3 0.053
F
 51,560
 2,949
 5.7
34,613
 1,801
 5.2
 0.001
Age group, y
15–24 20,934 620 3.0 6,542 120 1.8 <0.001
25–34 18,681 950 5.1 10,191 349 3.4 <0.001
35–44 19,790 1,429 7.2 11,508 548 4.8 <0.001
45–54 16,285 1,587 9.8 13,289 1,056 8.0 <0.001
55–64 8,138 1,055 13.0 11,143 1,162 10.4 <0.001
≥65
 10,328
 1,888
 18.3
9,090
 1,360
 15.0
 <0.001
Area
Urban 26,353 2,058 7.8 18,656 1,383 7.4 0.119
Remote 27,532 2,406 8.7 15,882 1,179 7.4 <0.001
Rural
 40,271
 3,065
 7.6
27,225
 2,033
 7.5
 0.489
Region
North 45,669 3,913 8.6 25,575 1,849 7.2 <0.001
Central 14,646 1,062 7.3 13,525 1,195 8.8 <0.001
South 33,841 2,554 7.6 22,663 1,551 6.8 0.002

*Screened positive if participants had >1 of self-reported cough for >2 wk, TB treatment <2 y preceding the survey, or abnormal chest radiography images.
†By Pearson χ2 test to compare characteristics between the first and the second surveys.

Main Article

Page created: January 11, 2021
Page updated: February 21, 2021
Page reviewed: February 21, 2021
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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