Population-attributable risk of inherited thrombophilia for VTE in pregnancy and the postpartum period
| Inherited thrombophilia . | Proportion of attributable risk (%) . |
|---|---|
| All inherited thrombophilia | 48.3 |
| FVL | |
| Heterozygous | 26.7 |
| Homozygous | 7.7 |
| PGM | |
| Heterozygous | 10.4 |
| Homozygous | —* |
| Compound FVL/PGM | —* |
| PC deficiency | 1.9 |
| PS deficiency | 1.5 |
| AT deficiency | 0.07 |
| No inherited thrombophilia | 51.7 |
| Inherited thrombophilia . | Proportion of attributable risk (%) . |
|---|---|
| All inherited thrombophilia | 48.3 |
| FVL | |
| Heterozygous | 26.7 |
| Homozygous | 7.7 |
| PGM | |
| Heterozygous | 10.4 |
| Homozygous | —* |
| Compound FVL/PGM | —* |
| PC deficiency | 1.9 |
| PS deficiency | 1.5 |
| AT deficiency | 0.07 |
| No inherited thrombophilia | 51.7 |
Population-attributable risk is calculated on the basis of relative risk of VTE in pregnancy16 and prevalence of thrombophilia in the general population.69
*Unknown estimates.