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Table 1 Baseline characteristics of 4 groups

From: High triglyceride–glucose index is associated with poor prognosis in patients with acute ST-elevation myocardial infarction after percutaneous coronary intervention

Variable

Q1 (n = 273)

Q2 (n = 273)

Q3 (n = 273)

Q4 (n = 273)

P value

TyG index

8.373 ± 0.258

8.905 ± 0.122

9.345 ± 0.145

10.076 ± 0.483

< 0.001

Age, years

65.2 ± 13.2

63.5 ± 10.8

61.2 ± 11.6

57.6 ± 12.4

< 0.001

Male

219 (80.2)

220 (80.6)

222 (81.3)

213 (78.0)

0.546

BMI, kg/m2

25.2 (24.7–25.5)

25.5 (25.1–25.8)

26.0 (25.6–26.2)

26.5 (26.0–26.9)

0.012

SBP, mmHg

124.9 ± 22.1

128.7 ± 21.9

129.9 ± 20.8

138.3 ± 22.6

< 0.001

DBP, mmHg

75.2 ± 14.1

76.6 ± 13.4

77.1 ± 14.3

84.7 ± 16.8

< 0.001

Heart rate, bpm

77.7 ± 14.5

79.7 ± 13.1

79.0 ± 12.7

82.2 ± 16.3

0.019

Killip class > 1

82 (30.3)

85 (31.1)

91 (33.3)

89 (32.6)

0.523

Smoker

114 (41.8)

120 (44.0)

123 (45.1)

126 (46.2)

0.886

Hypertension

138 (50.5)

162 (60.0)

177 (64.8)

201 (73.6)

< 0.001

Diabetes mellitus

21 (7.7)

45 (16.5)

81 (29.7)

123 (45.1)

< 0.001

Anemia

33 (12.1)

26 (9.5)

30 (11.0)

35 (12.8)

0.322

Previous AMI

6 (2.2)

6 (2.2)

7 (2.6)

8 (2.9)

0.489

Atrial fibrillation

16 (5.8)

13 (4.8)

17 (6.2)

15 (5.5)

0.652

Biochemical indicators

 NT-proBNP, pg/mL (IQR)

525.5 (31.0–2193.2)

534.4 (53.5–2293.7)

527.6 (34.9–2401.4)

546 (71.2–2603.2)

0.179

 Cardiac troponin I, ng/ml (IQR)

12.2 (3.01–22.7)

11.6 (2.7–23.1)

13.1 (2.3–23.9)

12.7 (2.6–24.2)

0.762

 hs-CRP, mg/L (IQR)

7.9 (5.5–10.4)

7.3 (4.4–11.1)

6.9 (3.9–9.7)

7.3 (3.4–10.7)

0.652

 White blood cells, 109/L

9.9 ± 3.9

10.0 ± 3.9

10.0 ± 3.2

10.2 ± 3.2

0.826

 Neutrophil ratio

75.5 ± 10.3

76.2 ± 11.4

75.2 ± 13.6

75.9 ± 12.9

0.775

 Platelet, 109/L

195.0 ± 56.1

201.8 ± 60.5

228.8 ± 63.0

223.8 ± 53.9

< 0.001

 Albumin, g/L

36.1 ± 4.8

37.3 ± 4.1

37.6 ± 4.5

38.2 ± 5.2

0.022

 FPG, mmol/L

6.6 ± 1.9

7.1 ± 1.8

8.1 ± 2.4

11.7 ± 6.0

< 0.001

 Measured HbA1c,  % (IQR)

6.5 (6.2–6.8)

7.1 (6.9–7.4)

7.6 (7.5–7.8)

8.0 (7.9–8.2)

< 0.001

 TC, mmol/L

4.0 ± 0.9

4.3 ± 1.0

4.8 ± 1.2

5.2 ± 1.3

< 0.001

 Triglycerides, mmol/L

0.9 ± 0.3

1.4 ± 0.3

1.9 ± 0.6

3.6 ± 2.6

< 0.001

 HDL-C, mmol/L

1.0 ± 0.3

1.1 ± 0.2

1.2 ± 0.3

1.2 ± 0.3

< 0.001

 LDL-C, mmol/L

2.4 ± 0.7

2.7 ± 0.8

3.0 ± 1.0

3.1 ± 0.8

< 0.001

 Uric acid, umol/L

319.5 ± 102.6

325.5 ± 87.3

342.2 ± 109.3

347.4 ± 100.6

0.019

 eGFR, mL/min

87.0 ± 32.8

85.4 ± 42.0

86.9 ± 34.3

89.5 ± 39.1

0.423

Coronary angiography

 GPIIb/IIIa antagonists

91 (33.3)

89 (32.6)

86 (31.8)

92 (33.7)

0.644

 Anticoagulation

25 (9.2)

27 (9.9)

22 (8.1)

24 (8.8)

0.546

 Lesion vessels

3.2 ± 1.6

3.2 ± 1.5

3.0 ± 1.8

3.1 ± 1.3

0.743

 Three-vessel disease

105 (38.5)

138 (50.5)

150 (54.9)

168 (61.5)

< 0.001

 Number of stents

1.03 ± 0.54

1.02 ± 0.47

1.02 ± 0.45

1.11 ± 0.50

0.114

 Gensini score, (IQR)

61.6 (49.3–75.7)

65.4 (54.1–72.6)

71.6 (60.9–79.3)

78.3 (63.1–83.9)

0.049

Echocardiography

 LVEF

0.55 ± 0.12

0.54 ± 0.10

0.56 ± 0.10

0.55 ± 0.12

0.335

Medications use at discharge

 Aspirin

255 (93.4)

264 (96.7)

264 (96.7)

267 (97.8)

0.059

 Clopidogrel/Ticagrelor

267 (97.8)

270 (98.9)

267 (97.8)

273 (100)

0.082

 Statin

261 (95.6)

265 (97.1)

267 (97.8)

260 (95.2)

0.321

 Beta blockers

215 (78.8)

228 (83.5)

210 (76.4)

223 (81.1)

0.247

 ACEI/ARB

168 (61.1)

180 (65.5)

171 (62.2)

183 (66.5)

0.205

  1. Data are presented as the IQR, mean ± SD or n (%)
  2. BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, AMI acute myocardial infarction, IQR interquartile range, hs-CRP hypersensitive C-reactive protein, FPG fasting plasma glucose, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, SCr Serum creatinine concentration, eGFR estimated glomerular filtration rate, LVEF left ventricular ejection fraction