Table 3

Difference in infectious status between civilians and prisoners


Civil (n positive/total tested, %)
Prison (n positive/total tested, %)
OR (95%CI)
RR (95%CI)

New cases
Smear+ *
462/1227 (37.7%)
70/586 (11.9%)
4.5 (3.4–5.9)
3.2 (2.5–4.0)
Culture+ *
764/1341 (57.0%)
184/587 (31.3%)
2.9 (2.4–3.6)
1. 8 (1.6–2.1)
Relapses
Smear+ *
39/101 (38.6%)
5/51 (9.8%)
5.8 (2.1–15.8)
3.9 (1.7–9.4)
Culture+ *
76/118 (64.4%)
18/53 (34.0%)
3.5 (1.8–7.0)
1.9 (1.3–2.8)
Total sample (new and relapse cases)
Smear+ *
501/1328 (37.7%)
75/637 (11.8%)
4.5 (3.5–5.9)
3.2 (2.6–4.0)
Culture+ *
840/1459 (57.6%)
202/640 (31.6%)
2.9 (2.4–3.6)
1.8 (1.6–2.1)

* statistically significant at p < 0.05

Balabanova et al. Respiratory Research 2006 7:44   doi:10.1186/1465-9921-7-44