DENVER--(BUSINESS WIRE)--DaVita Inc. (NYSE: DVA), a leading provider of kidney care services for those diagnosed with chronic kidney disease (CKD), today released a study finding patient outcomes in the company’s newly acquired centers showed dramatic improvements over the two years following their switch to DaVita® ownership. Reflecting DaVita’s proven track record for superior clinical care, the study, published in the Clinical Journal of the American Society of Nephrology, reveals that patients demonstrated better clinical results in several critical areas of disease management after their dialysis centers were acquired by DaVita.