https://www.selleckchem.com/pr....oducts/Phenformin-hy
The main objective was to determine the optimal strategy for managing asymptomatic severe aortic stenosis between early intervention versus conservative management. We performed a systematic electronic search of the PubMed and Cochrane databases from the inception of the database to May 31, 2020. The Mantel Haenszel method with the Paule-Mandel estimator of Tau2 and Hartung-Knapp adjustment were used to calculate relative risk (RR) with a 95% confidence interval (CI) and 95% prediction interval. P curve analysis was use
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