Summary
Oral glucose tolerance tests (5×50 g, 5× 75 g and 5×100 g glucose load) were carried out in 20 healthy male volunteers on 15 separate occasions at intervals of 3 or 4 days. The mean age of the group of younger men was 39.4 years and of the group of older men, 68.2 years. One and two hours after the administration of 100 g glucose the whole group showed a significantly smaller individual variation of blood sugar response than after both 50 and 75 g. When subdividing the groups of young and old men the same trend was noted. Oral glucose tolerance tests with a 100 g glucose load showed a greater reproducibility than those with a 50 and a 75 g glucose load.
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Toeller, M., Knußmann, R. Reproducibility of oral glucose tolerance tests with three different loads. Diabetologia 9, 102–107 (1973). https://doi.org/10.1007/BF01230688
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DOI: https://doi.org/10.1007/BF01230688