1. A healthcare analytics computer system for statistical analysis of medical care information for a medical care provider efficiency measurement, said healthcare analytics computer system comprising a memory device for storing data and a processor in communication with said memory device, said processor programmed to: receive a plurality of scores defining an efficiency of care wherein each of the plurality of scores is associated with one of a plurality of physician identifiers identifying one of a plurality of physicians; receive a plurality of episodes of care records, wherein each of the plurality of episodes of care records is associated with one of the plurality of physician identifiers identifying one of the plurality of associated physicians; receive a plurality of patient treatment information data, wherein each of the plurality of patient treatment information data includes associated claim characteristics associated with a particular episode of care record, wherein the associated claim characteristics are a subset of a plurality of claim characteristics, wherein the plurality of claim characteristics includes a medical condition, a severity of illness classification, an average charge per episode of the medical condition at the severity of illness classification for a plurality of service categories, and an average utilization per episode of the medical condition at the severity of illness classification for the plurality of service categories, and wherein the average charge per episode and the average utilization per episode are weighted according to a predetermined relevance of the associated medical condition in a practice area associated with the plurality of physicians; determine a relationship score between each of the plurality of claim characteristics and score calculations by performing a statistical analysis using the plurality of scores, the plurality of episode of care records, and the plurality of patient treatment information data; identify at least one of the plurality of claim characteristics for at least one of the physicians as having an associated relationship score exceeding a minimum threshold; and report the identified at least one claim characteristic as a driver of efficiency for the at least one of the physicians.