Continuous data are presented as the mean ± standard deviation, and one-way analysis of variance (ANOVA) was performed for intergroup comparisons, Bonferroni corrections were applied when needed. Categorical data are presented as percentages, and the chi-square test was used for intergroup comparisons. Associations between serum UA levels and embryonic treatment outcomes were assessed using multivariable linear regression with the backward method. The association between serum UA levels and pregnancy outcomes was assessed by logistic regression. The results were considered to be statistically significant when the P value was less than 0.05. All analyses were performed using SPSS version 26 (IBM).
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