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. Author manuscript; available in PMC: 2013 May 19.
Published in final edited form as: Int J Epidemiol. 2004 Nov 24;34(1):173–179. doi: 10.1093/ije/dyh285

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

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