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Volume 29, Number 3—March 2023
Synopsis

Risk for Prison-to-Community Tuberculosis Transmission, Thailand, 2017–2020

Reiko MiyaharaComments to Author , Pundharika Piboonsiri, Boonchai Chiyasirinroje, Worarat Imsanguan, Supalert Nedsuwan, Hideki Yanai, Katsushi Tokunaga, Prasit Palittapongarnpim, Megan Murray, and Surakameth Mahasirimongkol
Author affiliations: National Institute of Infectious Diseases, Tokyo, Japan (R. Miyahara); National Center for Global Health and Medicine, Tokyo (R. Miyahara, K. Tokunaga); Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA (R. Miyahara, M. Murray); The University of Tokyo, Tokyo (P. Piboonsiri); Ministry of Public Health, Nonthaburi, Thailand (P. Piboonsiri, S. Mahasirimongkol); TB/HIV Research Foundation, Chiang Rai, Thailand (B. Chiyasirinroje); Chiangrai PrachChanukroh Hospital, Chiang Rai (W. Imsanguan, S. Nedsuwan); Fukujuji Hospital and Research Institute of Tuberculosis, Kiyose, Japan (H. Yanai); National Center Biobank Network, Tokyo (K. Tokunaga):; Mahidol University, Bangkok, Thailand (P. Palittapongarnpim); Harvard Medical School, Boston (M. Murray)

Main Article

Table 2

Association between formerly incarcerated TB patients and Mycobacterium tuberculosis genotype clusters, all lineages, Japan, 2022*

Variable Total Unclustered Small cluster, 2–6 cases Large cluster, >10 cases Unadjusted OR†
(95% CI)		 Adjusted OR‡ (95% CI)
Cutoff of 5 SNPs
Total 592 559 22 11
No history of incarceration 532 (89.9) 508 (91.0) 18 (81.8) 6 (54.6) Referent Referent
Formerly incarcerated
 60 (10.1)
 51 (9.1)
 4 (18.2)
 5 (45.5)
 7.97 (2.36–26.96)
 10.32 (2.47–43.09)
Cutoff of 12 SNPs
Total 592 442 100 50
No history of incarceration 532 (89.9) 407 (92.1) 89 (89.0) 36 (72.0) Referent Referent
Formerly incarcerated 60 (10.1) 35 (7.9) 11 (11.0) 14 (28.0) 4.19 (2.11–8.34) 4.47 (2.05–9.32)

*Values are no. (%) cases except as indicated. OR, odds ratio; SNP, single-nucleotide polymorphism; TB, tuberculosis. †ORs for the history of incarceration comparing those in large clusters with those unclustered or in small clusters. ‡ORs adjusted for age, ethnicity, sex, and history of TB treatment.

Main Article

Page created: January 22, 2023
Page updated: February 19, 2023
Page reviewed: February 19, 2023
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