Table 1 Baseline characteristics and coronary angiography results of patients with suspected CAD

BMI (kg/ m²)

24.04 ± 3.09

25.27 ± 3.32

25.58 ± 3.11

< 0.001

Gender

< 0.001

 Female, n (%)

150 (68.18)

90 (42.86)

45 (21.43)

 Male, n (%)

70 (31.82)

120 (57.14)

165 (78.57)

Age (years)

64.16 ± 10.54

64.16 ± 11.16

63.59 ± 12.82

0.838

Smoking, n (%)

38 (17.27)

67 (31.90)

95 (45.24)

< 0.001

HTN, n (%)

129 (58.64)

123 (58.57)

135 (64.29)

0.386

 SBP (mmHg)

138.96 ± 19.17

139.79 ± 20.14

138.33 ± 20.02

0.752

 DBP (mmHg)

79.78 ± 10.89

81.67 ± 12.04

81.40 ± 12.83

0.112

Diabetes, n (%)

45 (20.45)

52 (24.76)

66 (31.43)

0.032

 HbA1c (%)

22.87 ± 13.40

26.13 ± 14.58

29.45 ± 17.89

< 0.001

LVEF (%)

65.32 ± 7.52

64.18 ± 7.65

62.82 ± 8.64

0.005

Lipid indicators

 ApoA1(g/L)

1.39 ± 0.25

1.26 ± 0.17

1.12 ± 0.15

< 0.001

 ApoB (g/L)

0.87 ± 0.23

0.88 ± 0.27

0.87 ± 0.24

0.853

 LDL-C (mmol/L)

3.08 ± 1.05

3.42 ± 6.09

2.95 ± 1.00

0.379

 HDL-C (mmol/L)

1.41 ± 0.29

1.14 ± 0.28

0.94 ± 0.20

< 0.001

 TG (mmol/L)

1.46 ± 0.83

1.95 ± 1.24

1.97 ± 1.42

< 0.001

 TC (mmol/L)

4.92 ± 1.19

4.66 ± 1.19

4.39 ± 1.13

< 0.001

WBC (10⁹/L)

5.64 ± 1.38

6.54 ± 1.66

8.01 ± 2.30

< 0.001

 NEUT (10⁹/L)

3.54 ± 1.29

4.07 ± 1.46

5.12 ± 2.10

< 0.001

 LYM (10⁹/L)

1.59 ± 0.58

1.84 ± 0.61

2.10 ± 0.86

< 0.001

 MONO (10⁹/L)

0.32 ± 0.09

0.45 ± 0.10

0.63 ± 0.15

< 0.001

Cr (μmol/L)

65.14 ± 14.74

71.31 ± 18.94

73.84 ± 17.99

< 0.001

ALT (U/L)

22.87 ± 13.40

26.13 ± 14.58

29.45 ± 17.89

< 0.001

AST (U/L)

24.40 ± 8.97

25.36 ± 9.89

27.32 ± 13.80

0.021

Coronary angiography results

 CAD, n (%)

64 (29.09)

115 (54.76)

117 (55.71)

< 0.001

 Severe-CAD, n (%)

37 (16.82)

92 (43.81)

96 (45.71)

< 0.001

 MV-CAD, n (%)

8 (3.64)

37 (17.62)

56 (26.67)

< 0.001