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Table 1 The baseline characteristics based on tertiles of the TyG index

From: Association of the triglyceride–glucose index with coronary artery disease complexity in patients with acute coronary syndrome

Variable

T1 (n = 341)

T2 (n = 331)

T3 (n = 335)

P value

Age, years

67.75 ± 11.64

65.80 ± 11.40

66.07 ± 11.13

0.055

Female, n (%)

72 (21.1)

87 (26.3)

125 (37.3)

 < 0.001

BMI, kg/m2

23.63 ± 2.88

24.69 ± 2.73

24.64 ± 2.83

 < 0.001

Smoking, n (%)

189 (55.4)

196 (59.2)

168(50.1)

0.061

Previous PCI, n (%)

32 (9.4)

25 (7.6)

27 (8.1)

0.674

COPD, n (%)

22 (6.5)

19 (5.7)

14 (4.2)

0.414

Hypertension, n (%)

216 (63.3)

219 (66.2)

220 (65.7)

0.714

Diabetes mellitus, n (%)

51 (15.0)

118 (35.6)

191 (57.0)

 < 0.001

AF, n (%)

22 (6.5)

20 (6.0)

24 (7.2)

0.839

Previous Stroke, n (%)

28 (8.2)

25 (7.6)

24 (7.2)

0.874

SBP, mmHg

131.28 ± 19.96

132.73 ± 22.32

132.70 ± 22.00

0.602

HR, bpm

76.21 ± 14.13

78.14 ± 15.33

78.84 ± 14.79

0.056

cTnT, pg/ml

32.53 (11.18, 899.45)

30.47 (11.50, 534.50)

64.79 (13.48, 1178.00)

0.094

BNP, pg/ml

109.90 (46.45, 300.85)

95.5 (31.6, 242.75)

118.75 (39.6, 379.85)

0.028

Scr, umol/L

77.60 (66.25, 90.30)

77.00 (65.60, 91.60)

73.90 (61.30, 93.10)

0.335

FBG, mmol/L

5.44 ± 1.20

6.46 ± 1.79

8.97 ± 3.58

 < 0.001

TG, mmol/L

0.99 ± 0.29

1.61 ± 0.42

2.22 ± 0.89

 < 0.001

TC, mmol/L

4.09 ± 1.09

4.59 ± 1.29

4.75 ± 1.19

 < 0.001

HDL-C, mmol/L

1.22 ± 0.33

1.12 ± 0.26

1.12 ± 0.27

 < 0.001

LDL-C, mmol/L

2.49 ± 0.82

2.87 ± 0.95

2.95 ± 0.86

 < 0.001

AMI, n (%)

174 (51.0)

171 (51.7)

193 (57.6)

0.168

Diagnosis, n (%)

   

0.137

 UA

167 (49.0)

160 (48.3)

142 (42.4)

 

 NSTEMI

65 (19.1)

81 (24.5)

83 (24.8)

 

 STEMI

109 (32.0)

90 (27.2)

110 (32.8)

 

Angiographic data

 MVD, n (%)

204 (59.8)

228 (68.9)

253 (75.5)

 < 0.001

 LM, n (%)

4 (1.2)

23(6.9)

27 (8.1)

 < 0.001

 Calcified lesions, n (%)

41 (12.0)

41(12.4)

56 (16.7)

0.144

 Thrombosis, n (%)

24 (7.0)

24(7.3)

36 (10.7)

0.149

 Long lesion, n (%)

132 (38.7)

149(45.0)

177 (52.8)

0.001

 CTO, n (%)

57 (16.7)

69(20.8)

82 (24.5)

0.045

 Number of stents

1.32 ± 0.75

1.42 ± 0.88

1.63 ± 0.99

 < 0.001

 Length of stents, mm

34.12 ± 22.73

37.02 ± 26.50

43.94 ± 29.75

 < 0.001

 bSS

11.00 (7.00, 17.5)

13(8.00, 20.00)

16.00 (10.00, 23.50)

 < 0.001

 TyG index

8.30 ± 0.30

8.95 ± 1.15

9.54 ± 0.32

 < 0.001

  1. The groups were stratified by the tertiles of the TyG index (T1, TyG ≤ 8.67; T2, 8.67 < TyG ≤ 9.18; T3, TyG > 9.18). BMI body mass index, COPD chronic obstructive pulmonary disease, AF atrial fibrillation, SBP systolic blood pressure, HR heart rate, BNP brain natriuretic peptide, Scr serum creatinine, FBG fasting blood glucose, TG triglyceride, TC total cholesterol, HDL-C high density lipoprotein, LDL-C low density lipoprotein, UA unstable angina, STEMI ST-segment elevation myocardial infarction, NSTEMI non-ST-segment elevation myocardial infarction, MVD multivessel disease, LM left main disease, CTO chronic total occlusion, bSS baseline SYNTAX score, TyG index, the triglyceride–glucose index. Data are presented as mean ± SD, median (IQR) or n (%)