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 scoring
0
1–10
11–100
101–400
401–1000
≧1001
Number of cases
15
0
16
25
16
28
Cardiac events+ (n = 56)
2 (13.3%)
0
8 (50%)
14 (56%)
11 (68.7%)
21 (75%)
Degree of stenosis ()
Mean ± SD
0 = no (n = 19)
10 (66.7%)
0
4 (25%)
3 (16%)
2 (12.5%)
0
87.32 ± 156.52*
1 = minimal or mild (n = 9)
2 (13.3%)
0
2 (12.5%)
3 (12%)
2 (12.5%)
0
220.11 ± 225.99*
2 = moderate (n = 15)
1 (6.7%)
0
1 (6.3%)
4 (12%)
3 (18.8%)
6 (21.4%)
1143.87 ± 1284.63*
3 = severe (n = 57)
2 (13.3%)
0
9 (56.2%)
15 (60%)
9 (56.2%)
22 (78.6%)
1531.09 ± 3851.32*
No CAD = 0 + 1 (n = 28)
12
0
6
6
4
0
130 ± 188.29*
(n = 72)
3
0
10
19
12
28
1450.417 ± 3471.24*
Coronary artery disease ()
One vessel (n = 33)
3 (100%)
0
10 (100%)
8 (42.1%)
6 (50%)
6 (21.4%)
Two vessels (n = 26)
0
0
0
8 (42.1%)
3 (25%)
15 (53.6%)
Three vessels (n = 13)
0
0
0
3 (15.8%)
3 (25%)
7 (25%)
Statistically significant ().
+Followup for cardiac events was successful in 98 of 100 patients.