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Table 1 Clinical characteristics

From: Triglyceride glucose index is a useful marker for predicting subclinical coronary artery disease in the absence of traditional risk factors

 Total (n = 1250)Tertile of TyG index
I (lowest) (n = 413)
6.98–8.08
II (n = 424)
8.09–8.47
III (highest) (n = 413)
8.48–10.17
P
Age, years52.8 ± 6.552.3 ± 6.452.7 ± 6.653.2 ± 6.50.133
Age ≥ 65 years, n (%)75 (6)20 (4.8)26 (6.1)29 (7.9)0.415
Male, n (%)586 (46.9)156 (37.8)181 (42.7)249 (60.3)< 0.001
Systolic BP, mmHg113.2 ± 10.7111.6 ± 10.8112.5 ± 10.4115.5 ± 10.4< 0.001
Diastolic BP, mmHg71.3 ± 8.869.9 ± 8.970.5 ± 8.973.6 ± 8.2< 0.001
BMI, kg/m222.2 ± 1.721.7 ± 1.922.2 ± 1.622.8 ± 1.5< 0.001
Family history of CAD, n (%)196 (15.7)53 (12.8)63 (14.9)80 (19.4)0.030
Framingham risk score3.9 ± 2.92.8 ± 2.43.5 ± 2.55.3 ± 3.2< 0.001
Total cholesterol, mg/dL192.3 ± 25.0185.5 ± 26.7193.0 ± 24.2198.4 ± 22.4< 0.001
Triglyceride, mg/dL94.3 ± 48.655.9 ± 9.782.1 ± 10.8145.2 ± 52.1< 0.001
LDL-C, mg/dL116.1 ± 22.2107.9 ± 22.3117.5 ± 21.0122.9 ± 20.6< 0.001
HDL-C, mg/dL60.9 ± 13.266.9 ± 13.361.7 ± 12.054.1 ± 10.9< 0.001
Creatinine, mg/dL0.8 ± 0.20.8 ± 0.20.8 ± 0.20.9 ± 0.2< 0.001
Fasting glucose, mg/dL96.0 ± 8.892.4 ± 7.996.2 ± 8.399.5 ± 8.9< 0.001
HbA1C, %5.4 ± 0.45.4 ± 0.45.4 ± 0.45.5 ± 0.4< 0.001
Uric acid, mg/dL4.9 ± 1.24.6 ± 1.24.9 ± 1.25.3 ± 1.2< 0.001
Categorical CACS, n (%)    0.001
 01061 (84.9)370 (89.6)366 (86.3)325 (78.7) 
 1–1069 (5.5)16 (3.9)23 (5.4)30 (7.3) 
 11–10090 (7.2)18 (4.4)29 (6.8)43 (10.4) 
 101–40025 (2.0)6 (1.5)5 (1.2)14 (3.4) 
 > 4005 (0.4)3 (0.7)1 (0.2)1 (0.2) 
Any plaque, n (%)257 (20.6)61 (14.8)82 (19.3)114 (27.6)< 0.001
Calcified plaque, n (%)157 (12.6)38 (9.2)50 (11.8)69 (16.7)0.004
Non-calcified plaque, n (%)120 (9.6)27 (6.5)35 (8.3)58 (14.0)0.001
Mixed plaque, n (%)32 (2.6)5 (1.2)9 (2.1)18 (4.4)0.013
  1. Values are given as the mean ± standard deviation or number (%)
  2. P-value of < 0.05 was considered significant
  3. BMI Body mass index, BP Blood pressure, CACS Coronary artery calcium score, CAD Coronary artery disease, HbA1C Hemoglobin A1C, HDL-C High-density lipoprotein cholesterol, LDL-C Low-density lipoprotein cholesterol, TyG Triglyceride glucose