Table 3 Heterosexual HIV transmission counts and exposure time by study
From: Meta-analysis of incidence rate data in the presence of zero events
| Â | Always use condoms | Never use condoms | ||
|---|---|---|---|---|
Study no. | No. events | Person-years | No. events | Person-years |
1 | 0 | 11.5 †| 2 | 6.9 †|
2 | 0 | 8.4 †| 4 | 21.1 |
3 | 1 | 101 †| 13 | 185.3 |
4 | 1 | 8.54 †| - | - |
5 | - | - | 1 | .006 |
6 | 0 | 45.2 †| - | - |
7 | 4 | 136.1 †| - | - |
8 | 0 | 28 †| - | - |
9 | 5 | 362.5 †| - | - |
10 | - | - | 0 | 5 †|
11 | - | - | 2 | 60.4 †|
12 | - | - | 10 | 147 †|
13 | - | - | 8 | 139.3 |
14 | 0 | 7.5 †| 0 | 9.6 |
15 | 0 | 249.6 †| - | - |
16 | 0 | 6 †| 0 | 24 †|