Thank you all for submitting the patient count for the NDAMPS feasibility query.
Based on the submitted numbers, we observed very large variations in the amputation rates between participating sites (KUMC, MU, MCW, UTSW, IU, and NYC CDRN), with UTSW and NYC being very low, IU being very high, and KUMC, MCW, and MU being in the middle. Before we can perform power calculation with confidence, we need to make sure that the queries were ran consistently and whether the sites are counting amputations differently. This is urgent because we cannot submit the proposal (due July 31) without a reliable power calculation. I hope to discuss this over the dev call tomorrow. Thanks, Mei ------------------------------------------------- Mei Liu, PhD Assistant Professor Department of Internal Medicine Division of Medical Informatics University of Kansas Medical Center Office: 913-945-6446 Fax: 913-588-4880
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