Abstract
To investigate risk factors for blood transfusion in pregnancy. In a population-based study, data from all women with singleton pregnancies (n=225 304) admitted for delivery in Taiwanese hospitals in 2002 were obtained from the National Health Insurance claims database. To identify risk factors for blood transfusion, a logistic regression model with generalized estimating equation was used to calculate the adjusted odds ratio (OR) and 95% confidence intervals (CI) for characteristics of the pregnant women, hospitals, clinics, and obstetricians. The incidence of blood transfusion was 1.43%. Cesarean delivery, vaginal birth after cesarean (VBAC), and repeat cesarean delivery had higher rates of blood transfusion than vaginal delivery, with an OR of 7.2 (95% CI, 6.38-8.02), 4.2 (95% CI, 2.52-6.87), and 5.9 (95% CI, 5.06-6.80), respectively. Other risk factors included extremes of age; pregnancies complicated by prepartum hemorrhage, placenta previa, pre-eclampsia, eclampsia, anemia, or systemic lupus erythematosus; and obstetricians with low or mid-to-low numbers of deliveries. The study has identified risk factors for blood transfusion in pregnancy on the basis of a nationwide database and provides useful information for obstetri...Continue Reading
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