Table 2.
Associations of coronary artery calcification with risk factors in Japanese men aged 40–49 in Kusatsu, Shiga, Japan and in white men aged 40–49 in Allegheny County, Pennsylvania, U.S. in 2002–2005
| Japanese |
Whites |
|||||||
|---|---|---|---|---|---|---|---|---|
| Category of CCS | 0 | <10 | ≥10 | 0 | <10 | ≥10 | ||
| Number (%) | 168 (67%) | 49 (20%) | 33 (13%) | p | 126 (52%) | 55 (23%) | 62 (26%) | p |
| Age (years) | 44.8 (2.9) | 45.6 (2.7) | 46.5 (2.3) | **,§ | 44.7 (2.9) | 44.8 (3.0) | 46.2 (2.6) | **,‡,§ |
| BMI (kg/m2) | 23.1 (2.8) | 25.1 (2.9) | 24.9 (3.7) | **,§ | 26.4 (3.1) | 28.9 (4.6) | 29.4 (4.7) | **,§ |
| SBP (mmHg) | 123.5 (15.1) | 129.2 (18.0) | 127.4 (19.1) | 121.3 (11.0) | 122.5 (11.5) | 126.4 (11.0) | **,§ | |
| DBP (mmHg) | 74.9 (11.3) | 80.4 (12.3) | 78.7 (13.3) | ** | 75.5 (71.7) | 73.9 (8.2) | 77.4 (7.8) | § |
| LDL-C (mmol/L) | 3.39 (0.94) | 3.51 (0.83) | 3.85 (0.86) | **,§ | 3.37 (0.96) | 3.69 (0.83) | 3.57 (0.74) | * |
| HDL-C (mmol/L) | 1.40 (0.33) | 1.33 (0.29) | 1.39 (0.39) | 1.29 (0.35) | 1.21 (0.27) | 1.17 (0.33) | # | |
| TG (mmol/L) | 1.46 (1.06, 1.94) | 1.63 (1.38, 2.39) | 1.64 (1.23, 2.23) | **,§ | 1.28 (0.96, 1.70) | 1.66 (1.10, 1.23) | 1.55 (1.06, 2.16) | *,# |
| Glu (mmol/L) | 5.77 (0.59) | 6.14 (1.48) | 6.05 (0.88) | 5.51 (0.48) | 5.49 (0.56) | 5.72 (0.91) | *,# | |
| Insulin (pmol/L) | 67.4 (28.5) | 88.9 (33.3) | 71.5 (34.7) | † | 90.3 (38.2) | 120.1 (63.9) | 124.3 (77.8) | **,§ |
| Fbg (umol/L) | 7.17 (1.85) | 7.64 (1.81) | 7.99 (2.15) | # | 8.41 (1.71) | 8.72 (1.85) | 9.12 (2.75) | # |
| CRP (mg/L) | 0.33 (0.15, 0.66) | 0.27 (0.15, 1.00) | 0.27 (0.15, 0.74) | 0.82 (0.40, 1.59) | 0.95 (0.59, 2.02) | 0.99 (0.56, 1.81) | ||
| Smoker (%) | 47.0 | 57.1 | 30.3 | † | 5.6 | 1.8 | 8.1 | |
| IMT (mm) | 0.603 (0.060) | 0.632 (0.080) | 0.656±0.067 | **,§ | 0.651 (0.091) | 0.678 (0.083) | 0.709 (0.119) | **,§ |
Abbreviations and definition of the variables are the same as in table 1.
Values are expressed as mean (SD) or median (inter-quartile range) for continuous variables. §
*
p<0.05 between CCS 0 and CCS <10
**
p<0.01 between CCS 0 and CCS <10
†
p<0.05 between CCS <10 and CCS ≥10
‡
p<0.01 between CCS <10 and CCS ≥10
#
p<0.05 for trend
§
p<0.01 for trend