Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 26, Number 3—March 2020

High Prevalence of and Risk Factors for Latent Tuberculosis Infection among Prisoners, Tianjin, China

Guoqin Zhang, Yuhua Zhang, Da Zhong, Sukai Meng, Liqun An, Wenliang Wei, Zhi Zhang, Yanyong Fu, and Xiexiu WangComments to Author 
Author affiliations: Tianjin Center for Tuberculosis Control, Tianjin, China (G. Zhang, Y. Zhang, D. Zhong, S. Meng, W. Wei, Z. Zhang, X. Wang); Tianjin Centers for Disease Control and Prevention Tianjin (L. An); Tianjin Third Central Hospital, Tianjin (Y. Fu)

Main Article

Table 1

IGRA results for prisoners with specific TB incidences in prisons, Tianjin, China*

Prison no. TB incidence† No. (%) seropositive No. (%) seronegative Total p value
1 1,945.2 106 (60.9) 68 (39.1) 174 <0.01
2 649.9 72 (41.9) 100 (58.1) 172 NA
3 892.7 91 (47.2) 102 (52.8) 193 NA
4 944.6 129 (57.6) 95 (42.4) 224 NA
101 (51.5)
95 (48.5)
Overall 1,028.9 499 (52.0) 460 (48.0) 959 NA

*IGRA, interferon-γ release assay; NA, not applicable; TB, tuberculosis.
†Reported pulmonary TB incidence (cases/100,000 persons) in the past 5 years was based on annual TB screening and case finding through daily healthcare seeking.

Main Article

Page created: February 20, 2020
Page updated: February 20, 2020
Page reviewed: February 20, 2020
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.