Volume 23, Number 3—March 2017
Research
Mycobacterium tuberculosis Transmission among Elderly Persons, Yamagata Prefecture, Japan, 2009–2015
Junji Seto
, Takayuki Wada, Yu Suzuki, Tatsuya Ikeda, Katsumi Mizuta, Taro Yamamoto, and Tadayuki Ahiko
, Takayuki Wada, Yu Suzuki, Tatsuya Ikeda, Katsumi Mizuta, Taro Yamamoto, and Tadayuki Ahiko
Table 1
Crude odds ratio for single-locus variant among 173 Mycobacterium tuberculosis strains forming preliminary clusters, by epidemiologic links of tuberculosis cases, Yamagata Prefecture, Japan, 2009–2015
| Epidemiologic link | 24Beijing-VNTR profile, no. (%) |
Crude odds ratio (95% CI)* | |
|---|---|---|---|
| Indistinguishable, n = 116 | Single-locus variant, n = 57 | ||
| Linked | 42 (36.2) | 11 (19.3) | 1.0 |
| Possibly linked | 16 (13.8) | 1 (1.8) | 0.2 (0.03–2.0) |
| Not linked | 58 (50.0) | 45 (78.9) | 3.0 (1.4–6.4) |
*CIs that do not overlap the null value of odds ratio = 1 are shown in bold.
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