Table 2.
Comparison of major independent risk factors and other factors between men who showed coronary calcium positive and negative in each of the American and Japanese men
US | Japan | |||||
---|---|---|---|---|---|---|
CCS | >0 (n=47) | 0 (n=53) | >0 (n=13) | 0 (n=85) | ||
Mean ± SD | Mean ± SD | p | Mean ± SD | Mean ± SD | p | |
Age (year) | 45.1 ± 2.9 | 44.2 ± 2.8 | 0.09 | 45.2 ± 2.4 | 44.7 ± 2.9 | 0.42 |
BPsys (mmHg) | 115.6 ± 10.3 | 112.0 ± 8.7 | 0.07 | 125.9 ± 18.8 | 122.1 ± 13.3 | 0.30 |
BPdia (mmHg) | 79.3 ± 5.7 | 77.6 ± 5.9 | 0.14 | 81.6 ± 11.9 | 78.2 ± 10.1 | 0.26 |
TC (mmol/l) | 4.98 ± 0.84 | 5.00 ± 0.80 | 0.90 | 6.01 ± 1.16 | 5.68 ± 0.94 | 0.13 |
TG (mmol/l) | 1.34 (0.89 – 2.08) | 1.29 (0.87 – 1.77) | 0.42* | 1.75 (1.34 – 2.82) | 1.45 (1.01 – 1.98) | 0.20* |
HDL-C (mmol/l) | 1.17 ± 0.27 | 1.21 ± 0.33 | 0.57 | 1.23 ± 0.26 | 1.44 ± 0.40 | 0.07 |
LDL-C (mmol/l) | 3.09 ± 0.83 | 3.11 ± 0.74 | 0.88 | 3.88 ± 1.13 | 3.47 ± 0.98 | 0.16 |
Smoker (%) | 17.0 | 13.2 | 0.59** | 76.9 | 43.5 | 0.03** |
Alcohol (%) | 19.1 | 13.2 | 0.42** | 46.2 | 45.9 | 0.99** |
FBG (mmol/l) | 5.43 ± 0.58 | 5.17 ± 0.39 | <0.01 | 5.80 ± 0.45 | 5.73 ± 0.49 | 0.44 |
Insulin (ρmol/l) | 89.3 ± 44.3 | 84.2 ± 47.1 | 0.58 | 64.2 ± 23.7 | 55.9 ± 27.1 | 0.28 |
BMI (kg/m2) | 27.9 ± 3.7 | 26.3 ± 2.7 | 0.02 | 24.2 ± 4.1 | 23.1 ± 2.9 | 0.12 |
WC (cm) | 98.7 ± 11.1 | 94.4 ± 8.1 | 0.03 | 87.4 ± 10.7 | 84.3 ± 8.1 | 0.14 |
Height (cm) | 180.5 ± 6.7 | 180.7 ± 6.6 | 0.85 | 170.6 ± 4.5 | 170.2 ± 5.2 | 0.81 |
CRP (mg/l) | 1.04 (0.5 – 2.31) | 0.75 (0.44 – 2.02) | 0.53* | 1.02 (0.27 – 1.18) | 0.41 (0.21 – 0.73) | 0.09* |
FIB (μmol/l) | 7.24 ± 2.18 | 6.96 ± 1.74 | 0.48 | 7.76 ± 2.07 | 6.82 ± 1.79 | 0.03 |
CCS: coronary calcium score, SD: standard deviation, BPsys: systolic blood pressure, BPdia: diastolic blood pressure, TC: total cholesterol, TG: triglycerides, HDL-C: HDL cholesterol, LDL-C: LDL cholesterol, Smoker: current smoker, Alcohol: drink alcohol everyday, FBG: fasting blood glucose, BMI: body mass index, WC: waist circumference, CRP: C reactive protein, FIB: fibrinogen
Mann-Whitney test;
Chi-Square test