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Table 1 Baseline characteristics stratified by TyG index of entire population stratified by lower and higher TyG index

From: Gender difference in the association between TyG index and subclinical atherosclerosis: results from the I-Lan Longitudinal Aging Study

  Total cases; n  =  1457 TyG index  <  8.55; n  =  728 TyG index ≥ 8.55; n  =  729 p value
Age (years) 62.34  ±  8.00 62.31  ±  8.06 62.37  ±  7.95 0.894
Female/male (%) 767/690 (52.6/47.4) 408/320 (56.0/44.0) 359/370 (49.2/50.8) 0.010
BMI 24.81  ±  3.55 23.55 (21.66–25.79) 25.35 (23.42–27.65) < 0.001
Waist circumference 84.28  ±  9.75 81.5 (75.0–88.0) 86.5 (80.0–93.0) < 0.001
Smoking (%) 260 (17.8) 117 (16.1) 143 (19.6) 0.087
Underlying disease
 Hypertension (%) 520 (35.7) 212 (29.1) 308 (42.2) < 0.001
 Anti-hypertensive agents (%) 239 (16.4) 93 (12.8) 146 (20.0) < 0.001
 DM (%) 202 (13.9) 57 (7.8) 145 (19.9) < 0.001
 CKD (%) 282 (19.4) 129 (17.8) 153 (21.0) 0.127
 Metabolic syndrome (%) 453 (31.1) 90 (12.4) 363 (49.8) < 0.001
 Overweight (%) 633 (43.4) 239 (32.8) 394 (54.0) < 0.001
 LDL  ≥  130 mg/dL (%) 554 (38.0) 239 (32.8) 315 (43.2) < 0.001
Laboratory data
 Total cholesterol (mg/dl) 197.66  ±  35.30 193 (168–215) 202 (177–223) < 0.001
 HDL (mg/dl) 55.16  ±  14.11 58 (50–69) 49 (42–56) < 0.001
 LDL (mg/dl) 120.87  ±  32.57 116 (96–137) 124 (102–144) < 0.001
 Fasting glucose (mg/dl) 101.49  ±  28.16 92 (87–98) 100 (92–111) < 0.001
 HbA1c (%) 6.01  ±  0.98 5.7 (5.5–6.0) 5.9 (5.6–6.4) < 0.001
 Uric acid 5.84  ±  1.50 5.4 (4.6–6.3) 6.1 (5.1–7.1) < 0.001
 hs-CRP 0.22  ±  0.38 0.069 (0.033–0.190) 0.102 (0.041–0.245) 0.975
 Triglyceride (mg/dl) 121.85  ±  78.47 77 (60–90) 143 (123–186) < 0.001
 eGFR (ml/min/1.73 m2) 83.33  ±  28.30 82.62  ±  27.24 84.03  ±  29.32 0.341
 Triglyceride glucose index 8.57  ±  0.58 8.18 (7.95–8.36) 8.88 (8.70–9.21) < 0.001
 Mean cIMT (mm) 0.68  ±  0.13 0.65 (0.60–0.75) 0.70 (0.60–0.75) 0.003
 cIMT  ≥  0.75 mm (%) 417 (28.6) 189 (26.0) 228 (31.3) 0.028
  1. Values are mean  ±  standard deviation or n (%)
  2. BMI body mass index, DM diabetes mellitus, CKD chronic kidney disease, HDL high density lipoprotein, LDL low density lipoprotein, HbA1c hemoglobin A1c, hs-CRP high sensitivity C-reactive protein, eGFR estimated glomerular filtration rate, cIMT carotid intima-media thickness
  3. aTriglyceride glucose index  =  ln[fasting TG (mg/dL)  ×  fasting plasma glucose (mg/dL)/2]