iVantage acquired by Chicago company

Updated to correctly identify where the buyer is based.

Business intelligence company iVantage Health Analytics has been acquired by The Chartis Group, a Chicago-based advisory services firm.Founded in 2011, iVantage was the product of a four-way merger among Nashville-based Health InfoTehnics, Performance Management Institute of Portland, Maine, The Healthcare Management Council of Needham, Mass. and Maine-based The Ratings Guy. The company maintained offices in Brentwood, Maine, Massachusetts and Wisconsin following the deal.Terms of Thursday's acquisition were not disclosed, but The Chartis Group will add iVantage's health care analytics and benchmarking tools for hospitals and health systems to its services."Becoming part of The Chartis Group provides iVantage with access to the best thinking in the industry and the investment to support continued development of leading edge analytic tools and decision support products," Araby Thornewill, iVantage Health Analytics president, said in a release. "It's exciting to join an organization that shares our deep dedication to delivering meaningful insights and tools to healthcare leaders."