Table 1.
Demographic and electrocardiographic data of the groups
| Variable | Prediabetes (n = 59) | Controls (n = 43) | p value |
|---|---|---|---|
| Age, yr | 52.5 ± 10.6 | 48.5 ± 12.1 | 0.078 |
| Female sex | 36 (61) | 21 (49) | 0.223 |
| BMI, kg/m2 | 31.2 ± 6.5 | 28.1 ± 4.1 | 0.006 |
| SBP, mmHg | 126.6 ± 14.9 | 126.2 ± 14.2 | 0.901 |
| DBP, mmHg | 79.7 ± 10.4 | 75.9 ± 10.5 | 0.075 |
| Heart rate, beats/min | 77.6 ± 11.1 | 76.6 ± 9.5 | 0.644 |
| FBG, mg/dL | 120.0 ± 4.4 | 93.1 ± 9.1 | 0.001 |
| Total cholesterol, mg/dL | 191.4 ± 36.4 | 162.6 ± 25.1 | 0.029 |
| Triglyceride, mg/dL | 155.6 ± 59.5 | 132.6 ± 31.3 | 0.022 |
| LDL-C, mg/dL | 122.0 ± 31.1 | 102.9 ± 18.9 | < 0.001 |
| HDL-C, mg/dL | 43.4 ± 7.9 | 45.6 ± 9.9 | 0.220 |
| Smoking, % | 7.12 | 9.21 | 0.216 |
| Pmax, ms | 118.6 ± 11.6 | 113.4 ± 9.3 | 0.024 |
| Pmin, ms | 63.3 ± 8.1 | 84.5 ± 9.1 | < 0.001 |
| PWD, ms | 55.3 ± 11.1 | 28.9 ± 6.0 | < 0.001 |
Values are presented as mean ± SD or number (%).
BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; FBG, fasting blood glucose; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol; Pmax, maximum P wave duration; Pmin, minimum P wave duration; PWD, P wave dispersion.