Aetna, Cigna, report sharply higher medical costs for first quarter; say outlook is grim.
Health maintenance organizations' financial reports will receive close scrutiny from hospitals and physicians.
D003625:Data Collection; D005249:Fees and Charges / Q000706:statistics & numerical data / Q000639:trends*; D005375:Financial Audit; D017048:Health Care Costs / Q000706:statistics & numerical data / Q000639:trends*; D006279:Health Maintenance Organizations / Q000191:economics*; D007182:Income / Q000706:statistics & numerical data / Q000639:trends*; D014481:United States