Table 1.
Number of coronary segments with diagnostic image quality
| ICA | MDCT | Evaluable | |
| RCA segments | |||
| Total | 480 | 461 | 96% |
| 1 | 120 | 120 | 100% |
| 2 | 120 | 117 | 98% |
| 3 | 120 | 114 | 95% |
| 4 | 120 | 110 | 92% |
| LM segment | |||
| 5 | 120 | 118 | 98% |
| LAD segments | |||
| Total | 600 | 539 | 90% |
| 6 | 120 | 118 | 98% |
| 7 | 120 | 119 | 99% |
| 8 | 120 | 117 | 98% |
| 9 | 120 | 100 | 83% |
| 10 | 120 | 85 | 71% |
| LCx segments | |||
| Total | 360 | 336 | 93% |
| 11 | 120 | 116 | 97% |
| 12 | 120 | 113 | 94% |
| 13 | 120 | 107 | 89% |
ICA, invasive coronary angiography; LAD, left anterior descending coronary artery; LCx, left circumflex artery; LM, left main artery; MDCT, multidetector spiral computed tomography; RCA, right coronary artery.