A 10-Year Follow-Up Study of Per Oral Glucose Tolerance at Annual Physical Examinations

In order to elucidate the factors influencing glucose intolerance. 100 g oral glucose tolerance tests serially performed at annual physical examinations over a 10-year period were studid. On the initial examination in 356 subjects, 44.8% were normal and 7.1% diabetic according to the criteria of 100 g OGTT recommended by the Japan Diabetes Society in 1970. For the 10-year follow-up study, the subjects were classified into 2 groups, 30s and 40s, by age at initial examination. The prevalence of obesity in the 30s group the at the 10th year was significantly higher than that of the 40s at the baseline (p