Figures & Tables
Tables
- TABLE. Pregnancy Rates in Studies of Contraceptive Implants and the Antiretroviral Efavirenz
Implant Type and Study Methodology No. of Women No. of Pregnancies Pregnancy Rate (95% CI) Period of Use LNG Patel11 Retrospective electronic database 191a 6 7.1 (1.5, 12.6) Unknown Perry12 Retrospective chart review 121 15 10a 16.4 months Scarsi13 Prospective clinical 20 3 15 48 weeks ENG Patel11 Retrospective electronic database 641a 15 5.5 (2.5, 8.4) Unknown Kreitchmann14 Prospective clinical 25b 0 0 3 years Unknown Pyra15 Secondary analysis of prospective study 9a 1 6 Unknown