complications
Grade       I complications occurred significantly more frequently in the elderly (13.9%)       than in the nonelderly (2.6%), but the incidence of grade II complications was       similar between the groups (elderly 2.8% vs nonelderly 2.7%).
Grade       I  @SUBJECT$   @PREDICAT$  significantly more frequently in the  @OBJECT$  (13.9%)       than in the nonelderly (2.6%), but the incidence of grade II complications was       similar between the groups (elderly 2.8% vs nonelderly 2.7%).