Vital statistics: PPOs--employers' arrangements and savings.
Johnson & Higgins looked at how much 100 or so employers are receiving in hospital and physician discounts, as well as how much PPOs are saving these organizations. The numbers are encouraging.
D003625:Data Collection; D006264:Health Benefit Plans, Employee / Q000191:economics*; D007348:Insurance, Health / Q000191:economics* / Q000706:statistics & numerical data*; D011243:Preferred Provider Organizations / Q000706:statistics & numerical data*; D013223:Statistics as Topic; D014481:United States