Abstract
To investigate the correlation between serum thyroid-stimulating hormone (TSH) and total bile acid (TBA) levels in gestational hypertension and their combined predictive value for pregnancy outcome. A total of 194 patients with gestational hypertension (GH), treated from June 2020 to May 2022, were included in this study. The patients were divided into two subgroups based on pregnancy outcome: an adverse pregnancy outcome group (77 cases) and a normal pregnancy outcome group (117 cases). Additionally, 50 healthy pregnant women undergoing routine prenatal checkups during the same period served as the control group. In this study, serum TBA and TSH levels were measured and compared between the control and GH groups as well as between adverse pregnancy outcome and normal pregnancy outcome groups. The independent risk factors for adverse pregnancy outcome were screened using logistic regression, and their predictive value for pregnancy outcome in patients with GH was analyzed using receiver operating characteristic (ROC) curves. Serum TSH and TBA levels were significantly higher in the GH group compared to the normal group (both P < 0.001). Logistic regression analysis revealed that age, body mass index (BMI), TSH, and TBA were independent risk factors for adverse pregnancy outcome. ROC curve analysis showed that combined TSH and TBA for predicting adverse pregnancy outcome had an Area Under the Curve (AUC) of 0.896, surpassing the AUCs of each individual index (0.843 for TSH and 0.765 for TBA), which indicates a stronger predictive value (P < 0.001). The combined measurement of serum TBA and TSH can serve as a valuable predictive tool for pregnancy outcome in patients with gestational hypertension.
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