Sperm Penetration Assay in Predicting Successful in Vitro Fertilization. A Meta-analysis
Overview
Reproductive Medicine
Affiliations
Objective: To determine if the performance of the sperm penetration assay (SPA) is useful in predicting successful in vitro fertilization (IVF).
Methods: A meta-analysis was set up to determine the performance of SPA in the prediction of IVF success. We collected data on 647 patients in 24 studies. For each study, a two-by-two table was constructed from the results of SPA and IVF.
Results: The sensitivity and specificity of SPA as compared to IVF were heterogeneous. A summary receiver operating characteristics curve could be estimated, showing that the sensitivity of SPA was only 37%, with a specificity of 95%. Subgroup analysis did not explain the lack of homogeneity.
Conclusion: Since withholding IVF inappropriately has major consequences, performing SPA is insufficient for selecting patients for treatment with IVF-embryo transfer.
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