RESULTS	Lower between-subject variability was observed for insulin detemir on duration of action ( 0.4 units/kg insulin detemir vs. 0.3 IU/kg NPH , P < 0.05 ) and GIR ( max ) ( maximal glucose infusion rate ) ( 0.2 and 0.4 units/kg insulin detemir vs. 0.3 IU/kg NPH , both P < 0.05 ) .\