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Table 1 Clinical characteristics of the study cohort

From: Triglyceride glucose index is an independent predictor for the progression of coronary artery calcification in the absence of heavy coronary artery calcification at baseline

 Total (n = 12,326)Tertile of TyG index
I (lowest) (n = 4117)
6.77–8.40
II (n = 4129)
8.41–8.91
III (highest) (n = 4080)
8.92–11.62
P
Age, years51.7 ± 8.551.4 ± 9.052.1 ± 8.451.6 ± 8.0< 0.001
Male, n (%)10,382 (84.2)2974 (72.2)3633 (88.0)3775 (92.5)< 0.001
Systolic BP, mmHg119.6 ± 15.0117.1 ± 15.0119.8 ± 14.9121.8 ± 14.8< 0.001
Diastolic BP, mmHg75.0 ± 10.572.9 ± 10.775.2 ± 10.277.1 ± 10.3< 0.001
BMI, kg/m224.6 ± 2.823.5 ± 2.724.6 ± 2.625.5 ± 2.6< 0.001
Hypertension, n (%)4016 (33.5)1036 (26.2)1355 (33.8)1625 (40.8)< 0.001
Diabetes, n (%)1703 (13.8)248 (6.0)490 (11.9)965 (23.7)< 0.001
Hyperlipidemia, n (%)3455 (28.0)726 (17.6)1102 (26.7)1627 (39.9)< 0.001
Current smoking, n (%)3229 (28.5)747 (19.9)1086 (28.6)1396 (37.0)< 0.001
Total cholesterol, mg/dL197.5 ± 34.0188.2 ± 31.7197.5 ± 32.9206.8 ± 34.9< 0.001
Triglyceride, mg/dL141.7 ± 89.473.2 ± 17.3122.6 ± 22.2230.0 ± 102.2< 0.001
HDL-C, mg/dL53.3 ± 16.060.2 ± 16.452.7 ± 14.947.1 ± 13.6< 0.001
LDL-C, mg/dL122.0 ± 31.7114.2 ± 29.5125.5 ± 31.1126.2 ± 33.1< 0.001
Glucose, mg/dL97.8 ± 20.389.5 ± 10.796.4 ± 14.0107.6 ± 27.7< 0.001
HbA1C,  %5.7 ± 0.75.5 ± 0.55.6 ± 0.65.9 ± 1.0< 0.001
Creatinine, mg/dL0.95 ± 0.170.92 ± 0.180.96 ± 0.160.97 ± 0.17< 0.001
  1. Values are presented as the mean ± standard deviation or number (%)
  2. BMI body mass index, BP blood pressure, HbA1C glycated haemoglobin A1C, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, TyG triglyceride glucose