The different study groups
| Serological results at delivery | Serological results at antenatal clinic | Treated/not treated | No of women |
|---|---|---|---|
| RPR and TPHA negative (n=275) | RPR negative | Not treated | 225 |
| RPR positive | Treated | 50 | |
| RPR and TPHA positive (n=275) | RPR positive | Treated | 88 |
| RPR positive or negative | Not treated | 187 |