Table 6 STI incidence rate among FSWs negative at baseline or positive at baseline and known to have been treated, Shanghai, 2009-10
Intervention | Control | p-value | |||||||
|---|---|---|---|---|---|---|---|---|---|
N | New cases | Follow-up time (person–years) | Incidence per 100 person-years (95% CI) | N | New cases | Follow-up time (person–years) | Incidence per 100 person-years (95% CI) | ||
Chlamydia | 190 | 26 | 106.6 | 24.4 (15.9-35.8) | 238 | 30 | 136.3 | 22.0 (14.9-31.4) | 0.7014 |
Gonorrhoea | 205 | 11 | 116.9 | 9.4 (4.7-16.8) | 266 | 10 | 153.3 | 6.5 (3.1-12.0) | 0.399 |
Syphilis | 150 | 0 | 95.9 | 0.0 (0.0-3.8) | 200 | 3 | 125.5 | 2.4 (0.49-7.0) | 0.130 |
Any STI | 211 | 32 | 118.2 | 27.1 (18.5-38.2) | 268 | 39 | 152.9 | 25.5 (18.1-34.9) | 0.8027 |