Table 1 Baseline characteristics of patients stratified by tertile of TyG index

N

662

221

221

220

–

General conditions

 Age, years

81.87 ± 2.14

81.88 ± 2.04

82.15 ± 2.38

81.58 ± 1.94

0.062

 Female, n (%)

186 (28.10%)

35 (15.84%)

61 (27.60%)

90 (40.91%)

 < 0.001

 Height, cm

165.32 ± 8.25

166.36 ± 7.50

165.32 ± 8.72

164.28 ± 8.39

0.025

 Weight, kg

67.20 ± 10.68

66.52 ± 10.73

67.31 ± 10.26

67.76 ± 11.06

0.463

 BMI, kg/m²

24.57 ± 3.40

24.01 ± 3.40

24.62 ± 3.30

25.07 ± 3.43

0.004

 HR, beat/min

74.81 ± 14.02

73.15 ± 13.54

74.13 ± 12.27

77.15 ± 15.79

0.008

 SBP, mmHg

137.08 ± 21.79

136.85 ± 22.00

137.33 ± 21.04

137.06 ± 22.40

0.902

 DBP, mmHg

71.44 ± 12.12

71.96 ± 11.83

71.19 ± 11.94

71.15 ± 12.60

0.731

 LVEF, %

55.65 ± 9.91

57.06 ± 9.42

55.08 ± 10.12

54.82 ± 10.06

0.034

 Gensini score

53.65 ± 42.65

40.79 ± 34.51

59.78 ± 41.27

60.41 ± 48.29

 < 0.001

Risk factors, n (%)

 Hypertension

511 (77.19%)

158 (71.49%)

173 (78.28%)

180 (81.82%)

0.032

 Diabetes

231 (34.89%)

46 (20.81%)

68 (30.77%)

117 (53.18%)

 < 0.001

 Hyperlipidemia

151 (22.81%)

36 (16.29%)

54(24.43%)

61 (27.73%)

0.011

 Previous MI

120 (18.13%)

34 (15.38%)

44 (19.91%)

42 (19.09%)

0.421

 Previous stroke

138 (20.85%)

43 (19.46%)

46 (20.81%)

49 (22.27%)

0.042

 CKD

78 (11.78%)

19 (8.60%)

29 (13.12%)

30 (13.64%)

0.195

 Current smoking

164 (24.77%)

67 (30.32%)

47 (21.27%)

50 (22.73%)

0.061

Baseline blood features

 TC, mmol/L

4.11 ± 0.97

3.87 ± 0.89

4.10 ± 0.91

4.36 ± 1.04

 < 0.001

 TG, mmol/L

1.39 ± 0.72

0.84 ± 0.22

1.28 ± 0.33

2.04 ± 0.82

 < 0.001

 LDL-C, mmol/L

2.36 ± 0.84

2.19 ± 0.75

2.38 ± 0.82

2.52 ± 0.91

 < 0.001

 HDL-C, mmol/L

1.13 ± 0.36

1.23 ± 0.40

1.13 ± 0.36

1.01 ± 0.28

 < 0.001

 eGFR, mL/min/1.73 m²

70.85 ± 23.11

73.69 ± 17.27

69.93 ± 19.77

68.93 ± 30.11

0.003

 FBG, mmol/L

7.05 ± 4.13

5.32 ± 1.17

6.42 ± 1.75

9.40 ± 6.17

 < 0.001

 UA, umol/L

351.59 ± 149.66

335.69 ± 200.17

356.29 ± 103.22

362.85 ± 127.46

0.001

 TyG index

8.76 ± 0.72

8.08 ± 0.61

8.72 ± 0.15

9.47 ± 0.42

 < 0.001

Cardiovascular medications, n (%)

 Aspirin

642 (96.98%)

210 (95.02%)

217 (98.19%)

215 (97.73%)

0.110

 Clopidogrel

632 (95.47%)

208 (94.12%)

216 (97.74%)

208 (94.55%)

0.136

 Statin

615 (92.90%)

206 (93.21%)

203 (91.86%)

206 (93.64%)

0.748

 β-blocker

418 (63.14%)

122 (55.20%)

147 (66.52%)

149 (67.73%)

0.011

 ACEI/ARB

364 (54.98%)

107 (48.42%)

126 (57.01%)

124 (59.55%)

0.040

Angiography, n (%)

 LAD lesion

560 (84.59%)

184 (83.26%)

192 (86.88%)

184 (83.64%)

0.511

 LCX lesion

383 (57.85%)

129 (58.37%)

128 (57.92%)

126 (57.27%)

0.601

 RCA lesion

429 (64.80%)

144 (65.16%)

137 (61.99%)

148 (67.27%)

0.251

 LM lesion

109 (16.47%)

26 (11.76%)

39 (17.65%)

44 (20.00%)

0.056

 Multivessel lesion

466 (70.39%)

138 (62.44%)

164 (74.21%)

164 (74.55%)

0.007

Treatment, n (%)

0.081

 Intensive medication

241 (36.40%)

94 (42.53%)

71 (32.13%)

76 (34.55%)

 PCI

405 (61.18%)

125 (56.56%)

142 (64.25%)

138 (62.73%)

 CABG

16 (2.42%)

2 (0.90%)

8 (3.62%)

6 (2.73%)