Incidence rates of VTE per 100 000 person-years and incidence rate ratios restricted to women without other risk factors
| Variable . | VTE . | Rate (95% CI) . | IRR (95% CI) . |
|---|---|---|---|
| BMI ≥30 kg/m2* | |||
| No | 14 | 106 (63-179) | 1.00 |
| Yes | 13 | 528 (306-909) | 5.29 (3.28-8.65) |
| Cesarean section† | |||
| No | 14 | 100 (59-169) | 1.00 |
| Yes | 16 | 464 (284-758) | 4.32 (2.80-6.45) |
| Variable . | VTE . | Rate (95% CI) . | IRR (95% CI) . |
|---|---|---|---|
| BMI ≥30 kg/m2* | |||
| No | 14 | 106 (63-179) | 1.00 |
| Yes | 13 | 528 (306-909) | 5.29 (3.28-8.65) |
| Cesarean section† | |||
| No | 14 | 100 (59-169) | 1.00 |
| Yes | 16 | 464 (284-758) | 4.32 (2.80-6.45) |
Women without cesarean section and delivering at term or postterm and without postpartum infection, stillbirth, postpartum hemorrhage, gestational hypertension, inflammatory bowel disease, varicose veins, and cardiac disease.
Women who are not obese and delivering at term or postterm and without postpartum acute systemic infection, stillbirth, postpartum hemorrhage, gestational hypertension, inflammatory bowel disease, varicose veins, and cardiac disease.