Table 1 Baseline clinical, biological, and medication characteristics

 Age, years

70.4 ± 4.0

70.9 ± 4.2

0.038

 Female, n (%)

186 (58.1)

1152 (40.4)

0.000

 BMI, kg/m²,

26.4 ± 3.2

25.5 ± 3.0

0.000

 Hypertension, n (%)

248 (77.5)

2128 (74.7)

0.276

 Diabetes mellitus, n (%)

100 (31.3)

932 (32.7)

0.594

 Hyperlipidemia, n (%)

174 (54.4)

1306 (45.9)

0.004

 Current smoking, n (%)

58 (18.1)

572 (20.1)

0.405

 Family history of CAD, n (%)

16 (5.0)

174 (6.1)

0.428

 History of MI, n (%)

28 (8.8)

352 (12.4)

0.060

 History of PCI, n (%)

44 (13.8)

496 (17.4)

0.098

 History of CABG, n (%)

4 (1.3)

74 (2.6)

0.140

 History of Stroke, n (%)

36 (11.3)

358 (12.6)

0.497

 History of HF, n (%)

26 (8.1)

177 (6.2)

0.186

 History of RF, n (%)

12 (3.8)

136 (4.8)

0.410

 SAP, n (%)

40 (12.5)

414 (14.5)

0.324

 UAP, n (%)

216 (67.5)

1928 (67.7)

0.943

 AMI, n (%)

64 (20.0)

506 (17.8)

0.324

 LVEF, (%)

63.6 ± 7.8

63.0 ± 9.1

0.265

 TSH

7.19 (6.20–8.28)

1.64 (1.10–2.46)

0.000

 FT3

4.80 (4.20–5.40)

4.90 (4.30–5.40)

0.301

 FT4

11.00 (9.33–12.80)

11.00 (9.40–12.70)

0.879

 Hemoglobin, g/dl

129 (123, 142)

137 (127, 147)

0.000

 Fasting glucose, mmol/L

5.57 (5.03, 6.49)

5.62 (5.09, 6.51)

0.478

 Creatinine, μmol/L

74.5 (62.0, 89.0)

76.0 (65.0, 89.0)

0.206

 TC, mmol/L

4.50 (4.04, 5.15)

4.30 (3.64, 5.01)

0.000

 TG, mmol/L

1.50 (1.56, 1.97)

1.39 (1.03, 1.88)

0.002

 LDL-C, mmol/L

2.61 (2.25, 3.11)

2.58 (2.01, 3.11)

0.018

 HDL-C, mmol/L

1.14 (1.01, 1.34)

1.09 (0.94, 1.26)

0.000

 HsCRP, mg/L

2.00 (0.71, 4.83)

1.75 (0.69, 4.60)

0.221

 Aspirin, n (%)

318 (99.4)

2842 (99.8)

0.416

 Clopidogrel, n (%)

318 (99.4)

2843 (99.8)

0.319

 ß-Blocker, n (%)

256 (80.0)

2200 (77.2)

0.263

 ACEI/ARB, n (%)

174 (54.4)

1562 (54.8)

0.873

 Calcium channel antagonist, n (%)

102 (31.9)

796 (27.9)

0.140

 Nitrates, n (%)

198 (61.9)

1866 (65.5)

0.195

 Statins, n (%)

308 (96.3)

2732 (95.9)

0.781