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Table 2 Clinical characteristics of AF patients according to tertiles of TyG index

From: The pre-ablation triglyceride-glucose index predicts late recurrence of atrial fibrillation after radiofrequency ablation in non-diabetic adults

Parameters

Tertile 1

n = 131

Tertile 2

n = 77

Tertile 3

n = 67

P value

Age, years (SD)

55.1 ± 7.5

57.1 ± 10.6

60.6 ± 10.4

0.001

Male, sex, n (%)

85 (64.8%)

55 (71.4%)

51 (76.1%)

0.395

Paroxysmal AF, n (%)

91 (69.5%)

56 (72.7%)

48 (71.6%)

0.654

AF duration, months (SD)

62.3 ± 60.4

67.9 ± 50.9

69.8 ± 62.8

0.168

BMI, kg/m2

25.2 ± 2.0

25.7 ± 3.2

26.3 ± 3.1

0.027

CAD history, n (%)

15 (11.4%)

12 (15.6%)

9 (13.4%)

0.096

Hypertension, n (%)

70 (53.4%)

41 (53.2%)

28 (41.8%)

0.068

SAS history, n (%)

16 (12.2%)

11 (14.3%)

10 (14.9%)

0.218

Previous stroke/TIA, n (%)

6 (4.6%)

4 (5.2%)

3 (4.5%)

0.452

Echocardiography

 LAD, mm

38.1 ± 4.7

39.0 ± 4.5

41.9 ± 4.8

0.035

 LVEF (%)

64.0 ± 5.3

63.8 ± 5.1

64.5 ± 5.7

0.674

Biochemistry

 NT-proBNP, pg/mL

245.7 ± 282.7

275.3 ± 325.0

368.2 ± 379.0

0.001

 hs-CRP, mg/L

2.4 ± 1.6

3.5 ± 3.8

4.8 ± 4.9

0.001

 Uric acid,umol/L

332.5 ± 80.5

338.3 ± 81.2

346.5 ± 79.5

0.352

 HCy, μmol/L

16.2 ± 1.5

18.2 ± 2.1

18.6 ± 2.2

0.115

Risk scoring system

 CHA2DS2-VASc score

1 (1–2)

1 (1–2)

2 (1–3)

0.025

 APPLE score

1 (0–1)

1 (1–2)

2 (1–3)

0.010

 DR-FLASH score

1 (0–2)

2 (1–2)

3 (2–4)

0.010

  1. Data were expressed as mean ± SD, median with 25th and 75th percentile or n (%)
  2. AF atrial fibrillation, BMI body mass index, NT-proBNP N-terminal B-type natriuretic peptide, HCy homocysteine, CAD coronary artery disease, SAS sleep apnea syndrome, TyG index triglyceride-glucose index, hs-CRP high-sensitivity C-reactive protein, LVEF left ventricular ejection fraction, LAD left atrial diameter, TIA transient ischemic attack