Clinical characteristics of the different groups
| Characteristic or parameter | MetS (N=234) | Non-MetS (N=1033) | P value |
| Mean±SD | Mean±SD | ||
| Age (years) | 71.64±5.605 | 71.39±5.409 | <0.001 |
| BMI (kg/m2) | 27.14±3.19 | 23.98±3.25 | <0.001 |
| DBP (mm Hg) | 82.97±10.97 | 76.54±11.29 | <0.001 |
| SBP (mm Hg) | 148.08±13.82 | 131.26±18.17 | <0.001 |
| Waist circumference (cm) | 68.42±10.29 | 60.39±9.94 | <0.001 |
| TG/HDL-C | 2.07±1.09 | 1.17±0.89 | <0.001 |
| TC (mmol/L) | 4.78±1.10 | 4.60±0.89 | 0.024 |
| HDL (mmol/L) | 1.02±0.22 | 2.75±0.77 | <0.001 |
| LDL (mmol/L) | 2.92±0.91 | 2.76±0.76 | 0.005 |
| UA (µmol/L) | 381.91±95.01 | 337.31±89.48 | <0.001 |
| FBG (mmol/L) | 6.76±2.03 | 5.33±1.18 | <0.001 |
| N (%) | N (%) | ||
| Gender (% male) | 107 (45.72) | 449 (43.46) | 0.56 |
| Hypertension | 205 (87.61) | 332 (32.14) | <0.001 |
| Abnormal ECG | 148 (63.25) | 615 (59.54) | 0.302 |
Variables are described in terms of either mean±SD or percentage. The p value was calculated using the Student’s t-test or the Χ2 test.
BMI, body mass index; DBP, diastolic blood pressure; FBG, fasting blood glucose; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; MetS, metabolic syndrome; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride; UA, uric acid.