Fasting blood-glucose @ hour postprandial blood glucose and glycosylated hemoglobin were all lower in intervention group ( ( @ @ ) mmol/L , ( @ @ ) mmol/L , ( @ @ ) % ) than in the control group ( ( @ @ ) mmol/L , ( @ @ ) mmol/L , ( @ @ ) % ) , there were significant differences in two groups ( t values were @ , @ , @ , all P values < @ ) .