ILI led to reductions in annual hospitalizations ( 11 % , P = 0.004 ) , hospital days ( 15 % , P = 0.01 ) , and number of medications ( 6 % , P < 0.001 ) , resulting in cost savings for hospitalization ( 10 % , P = 0.04 ) and medication ( 7 % , P < 0.001 ) .