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Base characteristics of case group and control group.
| Variable | Case group (n = 560) | Control group (n = 531) | P value |
|---|---|---|---|
| Age (year) | 62.39 ± 10.90 | 61.82 ± 12.77 | 0.447 |
| Sex (%) | 55.0 | 50.8 | 0.170 |
| Smoking (%) | 38.3 | 23.3 | 0.000 |
| Drinking (%) | 22.3 | 22.7 | 0.903 |
| Hypertension (%) | 56.1 | 30.7 | 0.000 |
| Diabetes mellitus (%) | 24.0 | 12.1 | 0.000 |
| TC (mmol/L) | 5.22 ± 4.28 | 4.62 ± 1.24 | 0.002 |
| TG (mmol/L) | 1.76 ± 1.22 | 1.74 ± 1.20 | 0.962 |
| BMI (kg/m2) | 24.19 ± 2.68 | 24.01 ± 3.31 | 0.431 |
