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Table 1 Baseline characteristics of the subjects according to TyG quartiles

From: A longitudinal epidemiological study on the triglyceride and glucose index and the incident nonalcoholic fatty liver disease

Variables

TyG quartiles

Quartile 1 (n = 1127)

Quartile 2 (n = 1146)

Quartile 3 (n = 1133)

Quartile 4 (n = 1133)

p

Gender (male/%)

751/66.6

754/65.8

748/66.0

743/65.6

0.96

Age (years)

38.0(32.0–45.0)

40.0(34.0–49.0)

43.0 (35.0–53.0)

47.0 (38.0–56.0)

<  0.001

BMI (kg/m2)

21.0 (19.6–23.0)

21.7 (20.0–23.7)

22.7 (21.0–24.4)

23.4 (21.8–25.0)

<  0.001

SBP (mmHg)

114.0 (106.0–123.0)

116.0 (108.0–126.0)

120.0 (111.0–129.0)

123.0 (114.0–132.0)

<  0.001

DBP (mmHg)

72.0 (67.0–78.0)

74.0 (68.0–80.0)

76.0 (70.0–83.0)

78.0 (73.0–84.0)

<  0.001

WC (cm)

73.0 (68.0–79.0)

75.0 (70.0–81.0)

78.0 (72.0–83.0)

80.0 (75.0–85.0)

<  0.001

TyG

7.79 (7.63–7.94)

8.17 (8.07–8.28)

8.49 (8.38–8.61)

8.97 (8.80–9.20)

<  0.001

BUN (μmol/l)

4.97 (4.24–5.79)

4.95 (4.25–5.77)

5.02 (4.18–5.87)

4.96 (4.17–5.76)

0.683

Cr (μmol/l)

72.0 (60.0–81.0)

73.0 (61.0–81.0)

73.0 (61.0–82.0)

71.0 (60.0–81.0)

0.353

FPG (mmol/l)

4.25 (4.00–4.52)

4.40 (4.12–4.67)

4.49 (4.21–4.84)

4.68 (4.33–5.11)

<  0.001

UA (μmol/l)

303.0 (247.0–350.0)

305.0 (251.8–357.3)

324.0 (262.0–384.0)

336.0 (276.0–390.0)

<  0.001

AST (U/l)

18.0 (16.0–22.0)

19.0 (16.0–22.0)

20.0 (17.0–23.0)

20.0 (17.0–24.0)

<  0.001

ALT (U/l)

18.0 (14.0–25.0)

20.0 (15.0–27.0)

22.0 (16.0–32.0)

24.0 (18.0–35.0)

<  0.001

y-GGT (U/l)

14.0 (11.0–19.0)

16.0 (11.0–21.0)

18.0 (13.0–27.0)

21.0 (15.0–35.0)

<  0.001

TC (mmol/l)

4.28 (3.78–4.82)

4.55 (4.04–5.09)

4.74 (4.20–5.33)

5.12 (4.54–5.77)

<  0.001

TG (mmol/l)

0.71 (0.60–0.82)

1.01 (0.88–1.14)

1.35 (1.16–1.54)

2.09 (1.71–2.65)

<  0.001

HDL-C (mmol/l)

1.38 (1.12–1.70)

1.31 (1.09–1.60)

1.24 (1.05–1.53)

1.24 (1.071.48)

<  0.001

LDL-C (mmol/l)

2.27 (1.90–2.68)

2.56 (2.06–3.03)

2.67 (2.24–3.20)

2.90 (2.36–3.44)

<  0.001

Apo-A1(g/l)

1.33 (1.17–1.50)

1.33 (1.16–1.50)

1.31 (1.13–1.50)

1.30 (1.12–1.53)

0.228

Apo-B(g/l)

0.77 (0.64–0.90)

0.85 (0.72–0.98)

0.93 (0.80–1.08)

1.04 (0.88–1.22)

<  0.001

eGFR (ml/(min·1.73 m2))

112.3 (99.9–127.7)

109.7 (99.9–123.4)

108.5 (96.6–123.0)

107.0 (96.0–123.4)

<  0.001