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Table 2 Odds ratios for NAFLD in different quartiles of TyG index or ALT

From: The triglyceride and glucose index (TyG) is an effective biomarker to identify nonalcoholic fatty liver disease

   Model1 Model2 Model3 Model4
TyG Q1 (Reference) 1 1 1 1
  Q2 (OR, 95% CI) 3.0 (2.6–3.5) 1.9 (1.6–2.2) 1.8 (1.5–2.1) 1.8 (1.5–2.1)
  Q3 (OR, 95% CI) 7.2 (6.3–8.3) 3.4 (2.9–4.1) 3.1 (2.6–3.6) 3.0 (2.5–3.5)
  Q4 (OR, 95% CI) 20.4 (17.6–23.6) 8.1 (6.8–9.6) 6.8 (5.7–8.1) 6.3 (5.3–7.5)
ALT Q1 (Reference) 1 1 1 1
  Q2 (OR, 95% CI) 2.0 (1.8–2.3) 1.6 (1.3–1.8) 1.6 (1.3–1.8) 1.5 (1.3–1.7)
  Q3 (OR, 95% CI) 3.6 (3.2–4.1) 2.1 (1.8–2.5) 2.1 (1.8–2.4) 1.9 (1.6–2.2)
  Q4 (OR, 95% CI) 8.6 (7.6–9.7) 4.1 (3.5–4.8) 3.8 (3.2–4.4) 3.1 (2.6–3.7)
  1. Model 1 was unadjusted
  2. Model 2 was adjusted for age, sex and body mass index
  3. Model 3 was adjusted for all variables in model 2 plus systolic blood pressure, uric acid and white blood cell counts
  4. Model 4 was adjusted for all variables in model 3 plus TyG for ALT quartiles or plus ALT for TyG quartiles
  5. NAFLD: nonalcoholic fatty liver disease; ALT: alanine aminotransferase; Q1: first quartile; Q2: second quartile; Q3: third quartile; Q4: fourth quartile