( @ ) The mean values of @-hour postprandial blood glucose were as follows : intervention group ( mmol/L ) : @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) ; control group : @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) , @ @ ( @w ) .