For marketing, sales and research professionals who need to understand the complex relationship of physician-to-hospital affiliations, SK&A, A Cegedim Company, today announced the release of an enhancement to its Office-Based Physician database that links practicing physicians to hospitals. SK&A has identified 1,143,420 hospital affiliations for the 680,000 physicians in its industry-leading database. Ninety percent of doctors are affiliated with at least one hospital. The average physician is affiliated with 1.7 hospitals.