Baseline characteristics of the 7,328 study subjects according to the presence of diabetes by the Japan Diabetes Society criteria.

JDS, Japan Diabetes Society.Data are expressed as mean (standard deviation), median (25 percentile–75 percentile) or number (%). Probability values are for comparison of categories of means (analysis of variance adjusted by sex and age) or percentages (chi-square test). The subscripts of 1 and 2 mean first and second visits, respectively.aThe JDS value of hemoglobin A1c were converted into National Glycohemoglobin Standardization Program units.