Only a handful of the largest and most sophisticated ACOs have established a "big data" warehouse that will let them pull together information from a variety of sources to help optimize care for individual patients and for their overall enrolled population. But many ACOs are developing the capacity to track patients in real time when they go to the hospital or the emergency department so they can intervene quickly to improve cost and quality outcomes.
For many of these ACOs, accessing, sharing and analyzing these smaller pools of data, then figuring out what to do with the results, present their most formidable information challenges.
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