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Table 1 Baseline characteristics of study participants

From: The effect of change in fasting glucose on the risk of myocardial infarction, stroke, and all-cause mortality: a nationwide cohort study

  Fasting glucose (mg/dL)  
NFG (< 100.0 mg/dL) IFG (100.0–125.9 mg/dL) p value
Number of subjects, n 198,560 61,927  
Age, years, mean (SD) 53.5 (8.6) 54.7 (8.9)  
 40–49, % 41.6 35.8 < 0.001
 50–59, % 34.8 35.9  
 60–69, % 17.5 20.9  
 ≥ 70, % 6.1 7.4  
Sex, %
 Men 55.3 64.6  
 Women 44.7 35.4  
Socioeconomic status, %
 Low 34.2 35.4 < 0.001
 High 65.5 64.2  
BMI, kg/m2, mean (SD) 23.7 (2.8) 24.2 (2.9)  
 <18.5, % 2.5 1.9 < 0.001
 18.5-22.9, % 39.2 32.8  
 23-24.9, % 27.8 28.3  
 ≥25, % 30.5 37.0  
Smoking status, %
 Never smoker 66.2 61.4 < 0.001
 Ever smoker 29.8 34.6  
Alcohol consumption, per week, %
 < 3 times 88.9 84.9 < 0.001
 ≥ 3 times 9.5 13.6  
Physical activity, per week, %
 < 3 times 76.2 75.9 0.092
 ≥ 3 times 21.6 22.0  
CCI, %
 0 36.5 36.8 < 0.001
 1–2 50.9 49.5  
 ≥ 3 12.6 13.7  
Systolic BP, mmHg, mean (SD) 124.6 (16.7) 128.1 (17.1) < 0.001
Diastolic BP, mmHg, mean (SD) 78.3 (11.0) 80.3 (11.1) < 0.001
Total cholesterol, mg/dL, mean (SD) 197.3 (36.0) 200.1 (37.1) <0.001
  1. SD standard deviation, NGT normal glucose tolerance, IFG Impaired fasting glucose, BMI body mass index, CCI Charlson comorbidity index, BP blood pressure
  2. Participants were classified as underweight, normal weight, overweight, and obese based on the Asian criteria