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Risk of retained placenta: multivariate approach
B Adelusi1, M H Soltan, N Chowdhury
1Department of Obstetrics and Gynaecology, King Khalid University Hospital, Riyadh, Saudi Arabia.
Acta Obstetricia Et Gynecologica Scandinavica
|May 1, 1997
Summary
Multiparity, induced labor, and significant blood loss are key factors associated with retained placenta. This study identifies predictors to help identify high-risk cases for better management.
Area of Science:
- Obstetrics and Gynecology
- Reproductive Health
- Clinical Epidemiology
Background:
- Retained placenta is a significant obstetric complication requiring identification of associated risk factors.
- Understanding these factors is crucial for improving maternal outcomes and reducing postpartum hemorrhage.
Purpose of the Study:
- To identify significant covariates associated with retained placenta using logistic regression analysis.
- To develop a predictive model for identifying women at high risk of retained placenta.
Main Methods:
- A case-control study was conducted at King Khalid University Hospital, Saudi Arabia.
- Data from 114 women with retained placenta and 116 controls were analyzed using Chi-square and logistic regression.
- Predictor variable adequacy was assessed using sensitivity, specificity, and probability histograms.
Main Results:
- Logistic regression identified multiparity, induced labor, small placenta, and excessive blood loss as significant predictors.
- High pregnancy number, previous uterine injury, and preterm labor were also significantly associated with retained placenta.
- The predictive model achieved 65.5% sensitivity, 87.9% specificity, and 77% overall correct classification.
Conclusions:
- The identified covariates can be utilized to develop a predictive procedure for retained placenta.
- Early identification of high-risk cases can facilitate timely intervention and improve patient management.