Table 6.

Multivariate risk factors for the presence of intimal plaque calcification in each coronary artery segment based on logistic regression analysis

Right Coronary Artery, ProximalRight Coronary Artery, DistalLeft Main Coronary Artery
RR (95% CI)P valueRR (95% CI)P valueRR (95% CI)P value
Luminal stenosis (%)1.05 (1.02 to 1.08)<0.0011.01 (0.96 to 1.03)0.6402 (1.00 to 1.05)0.06
eGFR (ml/min/1.73 m2)0.98 (0.95 to 1.01)0.150.96 (0.93 to 0.99)<0.0050.97 (0.94 to 0.99)<0.05
Smoking4.19 (1.16 to 15.07)<0.052.07 (0.93 to 9.90)0.360.55 (0.15 to 2.06)0.38
Diabetes2.33 (0.70 to 7.75)0.171.26 (0.33 to 4.88)0.730.99 (0.28 to 3.63)0.99
Age (years)1.05 (1.01 to 1.11)<0.051.09 (1.01 to 1.17)<0.051.04 (0.98 to 1.10)0.17
Calcium-phosphorus product (mg2/dl2)0.99 (0.95 to 1.05)0.971.01 (0.96 to 1.07)0.600.96 (0.91 to 1.01)0.12
CRP (mg/dl)1.07 (0.90 to 1.28)0.451.05 (0.88 to 1.26)0.591.13 (0.87 to 1.48)0.36
Left Anterior Descending Coronary Artery, ProximalLeft Anterior Descending Coronary Artery, Distal
RR (95% CI)P valueRR (95% CI)P value
Luminal stenosis (%)06 (1.02 to 1.11)<0.0051.02 (0.99 to 1.05)0.20
eGFR (ml/min/1.73 m2)0.96 (0.93 to 0.99)<0.050.98 (0.96 to 0.99)<0.05
Smoking0.95 (0.21 to 4.31)0.940.63 (0.14 to 2.88)0.55
Diabetes6.92 (1.03 to 46.41)<0.050.91 (0.24 to 3.39)0.88
Age (years)1.05 (0.99 to 1.11)0.1298 (0.92 to 1.06)0.63
Calcium-phosphorus product (mg2/dl2)1.02 (0.95 to 1.09)0.561.02 (0.97 to 1.08)0.45
CRP (mg/dl)1.07 (0.85 to 1.34)0.591.03 (0.82 to 1.30)0.80
Left Circumflex Coronary Artery, Proximal Left Circumflex Coronary Artery, Distal
RR (95% CI)P valueRR (95% CI)P value
Luminal stenosis (%)1.04 (1.01 to 1.07)<0.051.03 (1.00 to 1.06)0.08
eGFR (ml/min/1.73 m2)0.97 (0.95 to 0.99)<0.050.99 (0.96 to 1.02)0.37
Smoking1.60 (0.38 to 6.67)0.521.34 (0.27 to 6.56)0.72
Diabetes3.10 (0.67 to 13.95)0.145.06 (1.05 to 24.38)<0.05
Age (years)1.02 (0.97 to 1.08)0.411.01 (0.95 to 1.08)0.79
Calcium-phosphorus product (mg2/dl2)03 (0.97 to 1.10)0.361.06 (0.99 to 1.13)0.08
CRP (mg/dl)0.93 (0.77 to 1.11)0.400.92 (0.70 to 1.21)0.55