Data completeness as an unmeasured confounder in dialysis facility performance comparison with 1-year follow-up 
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CONCLUSIONS: Comorbidity data source may affect performance evaluation. The impact is larger for smaller groups.
PMID: 27641053 [PubMed - as supplied by publisher]

Source: Clinical Nephrology - September 18, 2016 Category: Urology & Nephrology Authors: Liu J, Krishnan M, Zhou J, Nieman KM, Peng Y, Gilbertson D Tags: Clin Nephrol Source Type: research