Research Article

Significance of Coronary Calcification for Prediction of Coronary Artery Disease and Cardiac Events Based on 64-Slice Coronary Computed Tomography Angiography

Table 1

The correlation between calcium scoring and degree of stenosis, coronary artery disease (CAD) and cardiac events.

Calcium scoring01–1011–100101–400401–1000 ≧1001
Number of cases15016251628
Cardiac events+ (n = 56)2 (13.3%)08 (50%)14 (56%)11 (68.7%)21 (75%)

Degree of stenosis ( )Mean ± SD

0 = no (n = 19)10 (66.7%)04 (25%)3 (16%)2 (12.5%)087.32 ± 156.52*
1 = minimal or mild (n = 9)2 (13.3%)02 (12.5%)3 (12%)2 (12.5%)0220.11 ± 225.99*
2 = moderate (n = 15)1 (6.7%)01 (6.3%)4 (12%)3 (18.8%)6 (21.4%)1143.87 ± 1284.63*
3 = severe (n = 57)2 (13.3%)09 (56.2%)15 (60%)9 (56.2%)22 (78.6%)1531.09 ± 3851.32*

No CAD = 0 + 1 (n = 28)1206640130 ± 188.29*
(n = 72)30101912281450.417 ± 3471.24*

Coronary artery disease ( )

One vessel (n = 33)3 (100%)010 (100%)8 (42.1%)6 (50%)6 (21.4%)
Two vessels (n = 26)0008 (42.1%)3 (25%)15 (53.6%)
Three vessels (n = 13)0003 (15.8%)3 (25%)7 (25%)

Statistically significant ( ).
+Followup for cardiac events was successful in 98 of 100 patients.