Table 1 Baseline characteristics by SYNTAX score

Age in years (mean, SD)

64.50 ± 9.72

65.79 ± 9.99^a

66.34 ± 10.20^a

Male, n (%)

989 (58.3)

273 (63.2)

170 (71.7)^a,b

History of smoking, n (%)

779 (46.0)

226 (52.3)^a

135 (57.0)^a

Hypertension, n (%)

1225 (72.3)

325 (75.2)

171 (72.2)

Diabetes mellitus, n (%)

571 (33.7)

190 (44.0)^a

115 (48.5)^a

Family history of CHD, n (%)

455 (26.8)

117 (27.1)

53 (22.4)

Previous MI, n (%)

104 (6.1)

53 (12.3)^a

33 (13.9)^a

Atrial fibrillation, n (%)

98 (5.8)

22 (5.1)

8 (3.4)

Chronic kidney disease, n (%)

164 (9.7)

60 (13.9)

39 (16.5)

Prior stroke, n (%)

265 (15.6)

73 (16.9)

45 (19.0)

Prior PAD, n (%)

129 (7.6)

34 (7.9)

27 (11.4)

Heart failure, n (%)

77 (4.5)

33 (7.6)^a

23 (9.7^)a

LVEF (%)

67 ± 7

65 ± 9^a

64 ± 8^a,b

BMI (kg/m²)

25.93 ± 3.51

25.77 ± 3.53

25.74 ± 3.48

FPG (mmol/L)

5.73 ± 1.65

6.25 ± 2.27^a

6.53 ± 2.14^a

Triglyceride (mmol/L)

1.63 ± 1.15

1.65 ± 0.99

1.65 ± 1.13

Total cholesterol (mmol/L)

4.29 ± 1.02

4.41 ± 1.14

4.42 ± 1.11

HDL-C (mmol/L)

1.15 ± 0.28

1.12 ± 0.27

1.12 ± 0.25

LDL-C (mmol/L)

2.42 ± 0.74

2.51 ± 0.81^a

2.54 ± 0.79^a

Serum uric acid (umol/L)

339.56 ± 82.94

342.54 ± 83.10

345.81 ± 88.26

hs-CRP (mg/L)

3.26 ± 5.46

4.07 ± 6.72^a

4.79 6.83^a