In all studies, the main measure of effectiveness was the change in the level of a substance in the blood called glycosylated haemoglobin (HbA1c), which gives an indication of how well the blood glucose is controlled.
Efektiivsust mõõdeti kõikides uuringutes põhiliselt veresuhkru reguleeritavust näitava aine (glükohemoglobiin, HbA1c) taseme muutumisega veres.