Table 2.
Infections | Person-years | IR (95% CI)b | |
---|---|---|---|
Chlamydia | 43 | 349.1 | 12.3 (9.1, 16.6) |
Rectal | 33 | 363.6 | 9.1 (6.5, 12.8) |
Urethral | 14 | 397.3 | 3.5 (2.1, 6.0) |
Gonorrhea | 21 | 370.1 | 5.7 (3.7, 8.7) |
Rectal | 17 | 377.4 | 4.5 (2.8, 7.3) |
Urethral | 7 | 404.5 | 1.7 (0.8, 3.6) |
Chlamydia or gonorrheab | 55 | 317.6 | 17.3 (13.3, 22.3) |
Rectal | 44 | 321.9 | 13.7 (10.2, 18.4) |
Urethral | 19 | 371.4 | 5.1 (3.3, 8.0) |
Abbreviations: IR, incidence rate
Incidence rate per 100 person-years.
First occurrence of either laboratory-confirmed chlamydia, gonorrhea, or both. Three participants were co-infected with chlamydia and gonorrhea at time of diagnosis (first occurrence of outcome).