At the time of iontophoresis , HbA1c was lower in the ICT group ( median 57mmol/mol [ minimum-maximum 40-79mmol / mol ] ) compared with the ST group ( 68mmol/mol [ 41-96mmol / mol ] , p < 0.01 ) ( DCCT : ICT 7.4 % [ 5.8-9 .4 % ] vs ST 8.4 % [ 5.9-10 .9 % ] ) .