Noninferiority of Insuman versus Insuplant was demonstrated both for the HbA1c change from baseline ( as a percentage ) with intergroup difference of 95 % confidence interval ( -0.36 ; +0.11 ) and for the infusion accuracy assessed by the measured percentage of error at pump refill , as shown by intergroup difference of 95 % confidence interval ( -5.81 ; -0.50 ) , in per-protocol populations , although the insulin daily dose was similar .