Table 2.
One-year clinical outcomes according to study group
|
Planned invasive test
n= 116 |
|||
|
Usual care strategy
n=64 |
FFRCT-guided strategy
n=52 |
p Value | |
| Invasive catheterisation without obstructive CAD by core lab QCA (at 90 days) | |||
| Number of patients (%) | 55 (85.9) | 4 (7.7) | <0.001 |
| Risk difference, % (CI) | 78.2 (67.1 to 89.4) | ||
| MACE | |||
| No of patients (%) | 0 (0) | 0 (0) | |
| MACE or vascular complications | 2 (3.1) CI 0.38 to 10.84 |
0 (0) CI 0.00 to 6.85 |
NS |
| Risk difference, % (CI) | 3.1 (–12.29 to 18.44) | ||
| Cumulative radiation exposure | <0.001 | ||
| Mean±SD, mSv | 9.80 (6.73) | 7.28 (9.33) | |
| Median (IQR), mSv | 7.00 (7.00, 7.00) |
3.68 (1.69, 8.73) |
|
CAD, coronary artery disease; FFRCT, fractional flow reserve estimated using CT; MACE, major adverse cardiovascular events; MI, myocardial infarction; NS, non-significant; QCA, quantitative coronary angiography.