Association between PPH at childbirth and coagulation parameters in the third trimester of pregnancy
| Outcome—PPH at childbirth | Predictors—coagulation parameters in the third trimester of pregnancy | |
| Unadjusted OR (95% CI) | Adjusted* OR (95% CI) | |
| D-dimer | ||
| No | 1 (ref) | 1 (ref) |
| Yes | 1.00 (0.79 to 1.26) | 1.03 (0.80 to 1.32) |
| Fibrinogen | ||
| No | 1 (ref) | 1 (ref) |
| Yes | 1.00 (0.99 to 1.006) | 1.00 (0.99 to 1.005) |
| Platelets | ||
| No | 1 (ref) | 1 (ref) |
| Yes | 0.99 (0.98 to 1.001) | 0.99 (0.98 to 1.002) |
| International normalised ratio >1.1 | ||
| No | 1 (ref) | 1 (ref) |
| Yes | 1.76 (0.39 to 7.78) | 5.74 (1.09 to 30.19) |
*Regression models adjusted for gestational age, maternal age, hypertensive disorders of pregnancy, pre-existing medical problems and mode of delivery; D-dimer in mg/L FEU; fibrinogen in mg/dL; platelets ×109/L.
PPH, postpartum haemorrhage .