Table 1.
Characteristics of study participants
| Clinical characteristics | controls (n = 269) | Cases (n = 277) | P |
|---|---|---|---|
| Gender M/F n (%) | 198/71 (73.6/26.4) | 208/69 (75.1/24.9) | .69b |
| Mean age ± SD (y) | 64.5 ± 9.98 | 65.26 ± 9.86 | .38a |
| Mean BMI (kg/m2) | 25.76 ± 1.45 | 27.25 ± 1.93 | <.001 a |
| Hypertension; n(%) | 47/222 (17.5/82.5) | 109/168 (39.4/60.6) | <.001b |
| Systolic BP (mm Hg; ±SD) | 12.82 ± 1.74 | 14.54 ± 2.75 | <.005a |
| Diastolic BP (mm Hg; ±SD) | 7.43 ± 0.9 | 7.86 ± 0.94 | <.05a |
| Diabetes n(%) | 55/214 (20.4/79.6) | 148/129 (53.4/46.6) | <.001b |
| Smoking n(%) | 55/214 (20.4/796) | 119/158 (43/57) | <.001b |
| Urea (mmol/L) | 5.3 ± 1.23 | 5.7 ± 1.77 | <.001a |
| Uric acid (mmol/L) | 288.83 ± 71.63 | 316 ± 68.82 | <.001a |
| Creatinine phosphokinase (mmol/L) | 90.77 ± 23.26 | 101.81 ± 40.22 | <.001a |
| Total cholesterol (mmol/L) | 4.59 ± 1.03 | 5.11 ± 1.3 | <.001a |
| Triglycerides (mmol/L) | 1.42 ± 0.76 | 1.66 ± 0.75 | <.005a |
| HDL‐cholesterol (mmol/L) | 1.61 ± 0.6 | 1.03 ± 0.26 | <.001a |
| LDL‐cholesterol (mmol/L) | 1.97 ± 1 | 3.35 ± 1.02 | <.001a |
a
2‐tailed Student's t test (continuous variables).
b
Pearson's chi‐square test (categorical variables).