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Table 2 Characteristics of LV function stratified by quartiles of the TyG index

From: Association between triglyceride glucose index and subclinical left ventricular systolic dysfunction in patients with type 2 diabetes

Echocardiographic indexes

Q1 (TyG index ≤ 8.89) n = 38

Q2 (8.89 < TyG index ≤ 9.44) n = 37

Q3 (9.44 < TyG index ≤ 9.83) n = 38

Q4 (TyG index > 9.83) n = 37

P value

LV EF, %

60.14 ± 3.89

60.19 ± 5.55

60.13 ± 5.01

59.91 ± 4.30

0.995

LV FS, %

31.94 ± 3.36

32.09 ± 4.34

32.41 ± 3.92

31.73 ± 3.86

0.912

Stroke volume, ml

47.22 ± 8.59

48.47 ± 9.64

48.22 ± 9.91

45.61 ± 7.50

0.561

E,cm/s

67.12 ± 19.01

67.90 ± 14.12

65.97 ± 13.74

64.55 ± 15.03

0.850

A,cm/s

73.48 ± 19.17

80.40 ± 21.18

75.07 ± 19.81

83.26 ± 19.40

0.181

E',cm/s

7.92 ± 3.01

7.01 ± 2.41

7.74 ± 2.75

6.77 ± 2.44

0.303

E/A ratio

1.00 ± 0.38

1.36 ± 2.82

0.94 ± 0.36

0.83 ± 0.39

0.508

E/E' ratio

10.36 ± 4.23

10.22 ± 3.49

9.52 ± 3.01

10.14 ± 3.11

0.825

GLS, %

19.23 ± 3.28

18.87 ± 2.79

17.22 ± 3.56a

16.67 ± 3.31bc

0.001

  1. Bold indicates P < 0.05
  2. Abbreviations: TyG Triglyceride glucose, LVEF Left ventricular ejection fraction, LVFS, LV fractional shortening, EPeak early diastolic mitral flow velocity, A Peak late diastolic mitral flow velocity, E/A Peak early diastolic (E-wave) and late diastolic (A-wave) velocity ratio, E/E' Mitral inflow E and mitral E' annular velocity ratio, GLS Global longitudinal strain. The Bonferroni test was adopted for post hoc comparisons
  3. a P < 0.05 between the 1st quartile and 3rd quartile
  4. b P < 0.05 between the 1st quartile and 4th quartile
  5. c P < 0.05 between the 2nd quartile and 4th quartile