Table 1.
Exposure variables | Proportion in non-exposed | Proportion in the exposed | Power of the study | Crude OR | Sample size | Total sample size after considering 15% loss to follow-up |
History of stillbirth14 | 5.17% | 14% | 80 | 2.97 | 417 | 480 |
History of abortion15 | 16.3% | 45.5% | 80 | 4.2 | 101 | 116 |
History of GDM27 | 1.8% | 12% | 80 | 7.4 | 236 | 271 |
GDM, gestational diabetes mellitus.