Skip to main content

Advertisement

Table 1 Baseline characteristics of subjects by the haemoglobin A1c levels and group with antidiabetic medication

From: Haemoglobin A1c even within non-diabetic level is a predictor of cardiovascular disease in a general Japanese population: the Hisayama Study

  HbA1c level (%) Antidiabetic medication
≤ 5.0 5.1–5.4 5.5–6.4 ≤ 6.5
Variables (n = 955) (n = 923) (n = 736) (n = 104) (n = 133)
Age (years) 56 (11) 59 (10) 61 (10) 60 (10) 65 (9)
Men (%) 46.0 38.1 41.9 47.1 56.4
Fasting plasma glucose (mmol/L)* 5.6 (0.5) 5.8 (0.5) 6.2 (0.8) 9.2 (2.6) 8.7 (2.0)
2-hour postload glucose (mmol/L)* 6.5 (1.5) 7.1 (1.9) 8.6 (3.1) 16.9 (5.3) 17.1 (4.7)
Systolic blood pressure (mmHg) 128 (20) 129 (19) 135 (21) 143 (22) 139 (22)
Diastolic blood pressure (mmHg) 77 (12) 78 (12) 80 (12) 84 (13) 81 (12)
Hypertension (%) 33.5 35.8 49.3 54.8 69.9
ECG abnormalities (%) 15.5 12.2 17.7 18.3 14.3
Body mass index (kg/m2) 22.4 (2.9) 23.3 (3.2) 24.0 (3.6) 25.8 (4.3) 23.8 (3.4)
Total cholesterol (mmol/l) 5.12 (0.90) 5.37 (0.90) 5.41 (0.94) 5.62 (0.91) 5.29 (0.94)
HDL cholesterol (mmol/l) 1.70 (0.44) 1.62 (0.41) 1.56 (0.39) 1.46 (0.39) 1.58 (0.42)
Current smoking (%) 27.2 22.0 20.2 26.0 18.8
Current alcohol use (%) 52.7 44.0 39.3 48.1 44.4
Regular exercise (%) 10.6 8.8 12.8 8.7 15.8
  1. Abbreviations: HbA1c, Haemoglobin A1c; ECG, Electrocardiogram; HDL, High-density lipoprotein.
  2. All values are given as means (SD) or as percentages.
  3. *These parameters were measured in only 2,412 subjects who underwent a 75 g oral glucose tolerance test.