The placebo-corrected mean change ( standard error [ SE ] ) in HbA1c from baseline was -0.9 ( 0.1 ) % ( -10 [ 1 ] mmol/mol ) ( 95 % confidence interval [ CI ] : -1.2 , -0.7 ; p < 0.0001 ) at Week 24 and -0.9 ( 0.1 ) % ( -10 [ 1 ] mmol/mol ) ( 95 % CI : -1.1 , -0.6 ; p < 0.0001 ) at Week 52 .