Table 2 Prevalence of correct management at follow up, and effects of intervention on management.
| Control | Intervention | Prevalence ratio* | p Value* | NNT* | |
|---|---|---|---|---|---|
| n/N (%) | n/N (%) | PR (95% CI ) | No (95% CI} | ||
| Primary outcome: appropriate management (all three provided) | 39/113 (34.5) | 108/143 (75.5) | 2.18 (1.6 to 3.0) | <0.001 | 2.3 (1.8 to 3.3) |
| Correct treatment provided† | 95/113 (84.1) | 121/143 (84.6) | 1.06 (1.0 to 1.1) | 0.2 | 17.4 (0 to 7.3) |
| Condoms provided | 51/113 (45.1) | 117/143 (81.8) | 1.76 (1.3 to 2.3) | <0.0001 | 2.8 ( 2.1 to 4.5) |
| Partner notification card provided | 76/113 (67.3) | 121/143 (84.6) | 1.25 (1.1 to 1.4) | <0.0001 | 5.6 (3.7 to 11.2) |
*Adjusted for clustering of outcome at clinic level, for local or provincial authority and for clinic level prevalence of respective outcome at baseline using log binomial regression
†Correct dose and duration of ciprofloxacin and doxycycline for male, and of ciprofloxacin, doxycycline, and metronidazole for females.17
NNT, number needed to treat for one more patient to obtain the respective outcome.