IW decreased the mean and maximal incremental plasma glucose during the MMTT when compared with the CON ( mean 1.2 0.4 vs 2.0 0.5 mmol/L , P < .001 ; maximal 3.7 0.6 vs 4.6 0.7 mmol/L , P = .005 ) and mean when compared with CW ( 1.7 0.4 mmol/L , P = .02 ) .