Table 4

Crude incidence rates and adjusted HRs of thrombosis between users of different types of progestin-only contraception for women

ContraceptiveWomenWoman-yearsN with TEThrombosis per 1,000 woman-years of useAdjusted HR* (95% CI)P value
Progestin-only pill3,3061,9022614.53.69 (2.106.48)<0.0001
Injectable DMPA2,2664,2935212.54.69 (2.518.77)<0.0001
Implant12416300
IUD2,7305,036173.4Reference
  • TE, thromboembolism.

  • *Adjusted for age, advanced diabetes, hyperlipidemia, hypertension, cancer, obesity, and smoking.

  • †Implanon and Nexplanon (Merck).