Table 2 Clinical features in the calcification and noncalcification groups

Age, yr

71.98 ± 9.05

64.92 ± 12.29

0.009^*

Male

164 (82.00)

20 (83.33)

0.872

Comorbidities

 Hypertension

159 (79.50)

18 (75.00)

0.609

 Diabetes

65 (32.50)

5 (20.83)

0.244

 Coronary artery disease

45 (22.50)

2 (8.33)

0.107

 Atrial fibrillation

13 (6.50)

0 (0.00)

0.370

Laboratory data

 Creatinine (umol/L)

83.05 ± 28.95

73.65 ± 20.05

0.124

 GFR (mL/min/1.73m²)

82.00 ± 22.50

92.45 ± 22.93

0.043^*

 blood sugar (mmol/L)

6.47 ± 3.14

5.36 ± 1.49

0.203

 Calcium (mmol/L)

2.22 ± 0.14

2.23 ± 0.11

0.898

 Phosphorus (mmol/L)

1.09 ± 0.20

1.07 ± 0.13

0.350

 Triglyceride (mmol/L)

1.41 ± 0.81

1.09 ± 0.20

0.164

 Cholesterol (mmol/L)

4.03 ± 1.18

3.97 ± 0.93

0.796

 HDL (mmol/L)

1.06 ± 0.28

1.11 ± 0.30

0.449

 LDL (mmol/L)

2.43 ± 1.00

2.38 ± 0.84

0.802

Clinical data

 Statin use

48 (24.00)

4 (16.67)

0.421

 Antiplatelet use

58 (29.00)

6 (25.00)

0.682

 Moderate stenosis

113 (56.50)

9 (37.50)

0.077

 Left arterial stenosis

102 (51.00)

12 (50.00)

0.926

 Ipsilateral symptom

59 (29.50)

12 (50.00)

0.041^*