Table 1.
Baseline characteristics of study participants
| Characteristics | NGT (n=2694) | Prediabetes (n=4321) | P value |
|---|---|---|---|
| Age (years) | 56.0±7.1 | 58.2±7.5 | <0.001 |
| Female, n (%) | 1744 (64.7) | 2960 (68.5) | <0.001 |
| Current smoking, n (%) | 523 (19.4) | 1288 (29.8) | <0.001 |
| Current drinking, n (%) | 816 (30.3) | 1577 (36.5) | <0.001 |
| Physical exercise, n (%) | 1018 (37.8) | 1400 (32.4) | <0.001 |
| BMI (kg/m2) | 24.9±3.2 | 25.9±3.4 | <0.001 |
| HbA1c (%) | 5.4 (5.3-5.5) | 5.9 (5.8-6.1) | <0.001 |
| SBP (mmHg), n (%) | 128.5±16.7 | 132.2±16.7 | <0.001 |
| DBP (mmHg), n (%) | 76.2±14.0 | 75.4±10.6 | 0.020 |
| Hypertension, n (%) | 633 (23.5) | 1286 (29.8) | <0.001 |
| TC (mmol/L) | 5.0±0.6 | 5.3±0.6 | <0.001 |
| TG (mmol/L) | 1.2±0.4 | 1.5±0.3 | <0.001 |
| HDL-C (mmol/L) | 1.4±0.2 | 1.3±0.3 | 0.034 |
| LDL-C (mmol/L) | 3.0±0.4 | 3.3±0.5 | <0.001 |
| eGFR (mL/min/1.73 m2), Median (IQR) |
96.1 (87.3-102.3) | 93.5 (86.4-101.6) | 0.001 |
Data were expressed as mean ± standard deviation or frequency (%), unless specified;
P value: from t test, Kruskal-Wallis test or chi-square test;
Abbreviations: NGT: Normal glucose tolerance; BMI: Body mass index; HbA1c: Glycosylated hemoglobin; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; TC: Total cholesterol; TG: Triglycerides; HDL-C: Fasting serum high density lipoprotein cholesterol; LDL-C: Low density lipoprotein cholesterol; eGFR: Estimated glomerular filtration rate. IQR: Interquartile range.