NEW YORK (Standard&Poor's CreditWire) March 29, 1999--Standard&Poor's today affirmed its single-'A'-plus underlying rating (SPUR) on Minnesota Agricultural&Economic Development Board's triple-'A' MBIA-insured $168.30 million revenue bonds series 1997A, issued for Fairview Hospital&Healthcare Services (Fairview). Standard&Poor's also affirmed its single-'A'-plus rating to Edina, Minn.'s $14.26 million hospital system revenue bonds series 1989A, issued for Fairview. The ratings are affirmed based on very strong patient utilization and sound financial performance through fiscal year-ending Dec. 31, 1997. Credit concerns include strong competition in the Twin-Cities market, a restrictive payor mix and possible issuance of additional debt early next year totaling $130 million subject to revision. Debt issuance plans have not been finalized and fiscal