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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