Objective

The reproducibility of glucose and insulin responses to a mixed meal were studied in 24 consecutive non-insulin-dependent (type II) diabetic patients, the diet of which matched the tested diet. Patients received their usual treatment throughout the study.

Research Design and Methods

A standardized diet was followed for 3 days, and responses were measured on the 2nd and 3rd days. Glucose and insulin responses were studied after lunches with the 180-min positive area under the curve, and were analyzed with paired ttest and Pearson's linear regression.

Results

Glucose responses did not vary (217 ± 50 vs. 217 ± 38 min × mM, NS) and were significantly correlated (r = 0.64, P <0.01). Insulin responses did not vary (35,224 ± 5768 vs. 35,305 ± 7779 min ' pM, NS) and were strongly correlated (r = 0.83, P <0.001).

Conclusions

These results suggest that glucose and insulin responses to a test meal are reproducible in type II diabetic patients.

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