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 complications2 (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, mSv9.80 (6.73)7.28 (9.33)
 Median (IQR), mSv7.00
(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.