Although glycated hemoglobin did not track with insulin sensitivity , Quantose M ( Q ) increased in pioglitazone-treated subjects ( by @ -LSB- @ -RSB- mgmin ( -@ ) kgwbm ( -@ ) ) ( median -LSB- interquartile range -RSB- ) ( P < @ vs placebo ) , as did the Matsuda index ( by @ -LSB- @ -RSB- units ; P < @ ) .