After 26 weeks , HbA1c decreased 0.73 % ( 8.0 mmol/mol ) ( IDeg ) and 0.65 % ( 7.1 mmol/mol ) ( IDet ) [ estimated treatment difference ( ETD ) IDeg-IDet : -0.09 % ( -0.23 ; 0.05 ) 95 % CI ( -10.0 mmol/mol [ -2.6 ; 0.6 ] 95 % CI ) ; confirming non-inferiority ] .