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Table 1 Baseline characteristics of the subjects according to TyG quartiles

From: Triglyceride and glucose (TyG) index as a predictor of incident hypertension: a 9-year longitudinal population-based study

Variables TyG quartile
  Quartile 1 (n = 1149) Quartile 2 (n = 1183) Quartile 3 (n = 1184) Quartile 4 (n = 1170) p
TyG 7.81 (7.65–7.97) 8.21 (8.09–8.33) 8.55 (8.42–8.68) 9.04 (8.88–9.30) < 0.001
Gender (male/%) 783/68.1 801/67.7 799/67.5 794/67.9 0.99
Age (years) 37.0 (32.0–44.0) 39.0 (34.0–48.0) 41.0 (35.0–51.0) 45.0 (37.0–54.0) < 0.001
BMI (kg/m2) 21.0 (19.6–22.9) 21.9 (20.2–24.0) 23.0 (21.2–24.7) 23.9 (22.2–25.7) < 0.001
SBP (mmHg) 113.0 (106.0–122.0) 115.0 (107.0–124.0) 119.0 (111.0–127.0) 122.0 (114.0–128.0) < 0.001
DBP (mmHg) 72.0 (67.0–78.0) 74.0 (68.0–79.0) 76.0 (70.0–81.0) 78.0 (73.0–83.0) < 0.001
WC (cm) 73.0 (68.0–79.0) 76.0 (70.0–82.0) 79.0 (72.0–85.0) 82.0 (76.0–88.0) < 0.001
BUN (μmol/L) 4.97 (4.24–5.75) 4.93 (4.25–5.76) 5.02 (4.18–5.82) 4.97 (4.16–5.82) 0.894
Cr (μmol/L) 72.0 (61.0–81.0) 73.0 (62.0–81.0) 73.0 (61.0–82.0) 72.0 (61.0–81.0) 0.849
FPG (mmol/L) 4.25 (3.99–4.51) 4.39 (4.12–4.67) 4.48 (4.20–4.81) 4.67 (4.34–5.09) < 0.001
UA (μmol/L) 305.0 (251.0–352.0) 311.0 (253.0–367.0) 333.0 (269.0–392.0) 351.0 (286.0–402.0) < 0.001
AST (U/L) 18.0 (16.0–22.0) 19.0 (16.0–23.0) 20.0 (17.0–24.0) 21.0 (18.0–26.0) < 0.001
ALT (U/L) 18.0 (14.0–25.0) 20.0 (15.0–30.0) 24.0 (17.0–36.0) 28.0 (20.0–42.0) < 0.001
γ-GGT (U/L) 14.0 (11.0–20.0) 16.0 (12.0–23.0) 19.0 (13.0–31.0) 25.0 (16.0–41.0) < 0.001
TC (mmol/L) 4.28 (3.78–4.80) 4.58 (4.07–5.11) 4.78 (4.21–5.35) 5.12 (4.54–5.78) < 0.001
TG (mmol/L) 0.73 (0.61–0.85) 1.05 (0.90–1.20) 1.44 (1.21–1.67) 2.28 (1.87–2.92) < 0.001
HDL-C (mmol/L) 1.36 (1.11–1.67) 1.29 (1.08–1.59) 1.22 (1.05–1.50) 1.22 (1.071.45) < 0.001
LDL-C (mmol/L) 2.27 (1.90–2.68) 2.56 (2.10–3.05) 2.73 (2.26–3.26) 2.89 (2.39–3.46) < 0.001
Apo-A1(g/L) 1.33 (1.17–1.49) 1.31 (1.14–1.49) 1.28 (1.11–1.49) 1.27 (1.10–1.47) 0.228
Apo-B(g/L) 0.77 (0.64–0.90) 0.86 (0.73–1.00) 0.95 (0.81–1.10) 1.06 (0.89–1.23) < 0.001
eGFR (mL/(min·1.73 m2)) 112.2 (99.8–127.1) 109.9 (99.1–123.4) 109.0 (97.1–123.7) 108.9 (96.3–123.5) < 0.001