The effect of variable blood sample volume on the accuracy of 11 glucose meters was studied to verify the reliability of self-monitoring of blood glucose. A total of 11 meters were assessed: OneTouch FastTake, OneTouch Basic, OneTouch Profile, and SureStep (LifeScan Canada, Burnaby, B.C., Canada); AccuSoft Advantage and AccuSoft Manager (Roche, Hoffman-LaRoche, Laval, P.Q., Canada); Precision Pen and Precision QID (MediSense Canada, Mississauga, ON, Canada); and Glucometer Elite, Glucometer Elite XL, and Glucometer DEX (Bayer, Toronto, ON, Canada). Venous blood collected from …