document: A winning combination -LSB- wireless health care -RSB- Three years ago , the Institute of Medicine -LRB- IOM -RRB- reported that medical errors result in at least 44,000 deaths each year-more than deaths from highway accidents , breast cancer or AIDS . That report , and others which placed serious errors as high as 98,000 annually , served as a wake-up call for healthcare providers such as the CareGroup Healthcare System Inc. , a Boston-area healthcare network that is the second largest integrated delivery system in the northeastern United States . With annual revenues of $ 1.2 B , CareGroup provides primary care and specialty services to more than 1,000,000 patients . CareGroup combined wireless technology with the Web to create a provider order entry -LRB- POE -RRB- system designed to reduce the frequency of costly medical mistakes . The POE infrastructure includes InterSystems Corporation 's CACHE database , Dell Computer C600 laptops and Cisco Systems ' Aironet 350 wireless networks
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