RESULTS	In the cohort with annual follow-ups , the mean ( SD ) change in HbA ( 1c ) level was 0.0 % ( 1.1 % ) in the control group and -0.1 % ( 1.6 % ) in the intervention group ( mean difference , -0.05 % [ 95 % CI , -0.27 % to 0.18 % ] ; P = .63 ) .\