Table 2

Baseline angiographic characteristics (3D-QCA) and vFFR (vessel level)

Overall vessels
(N=1248)
RCALADCX
3D-QCA
 % DS. (mean±SD)45.67±17.2742.76±16.3449.11±16.8844.61±17.64
 %DS >40% (n, %)770 (61.7%)226/770 (29.4%)296/770 (38.4%)248/770 (32.2%)
 MLD (mean±SD)1.69±1.571.87±0.781.50±0.571.74±0.74
 RVD (mean±SD)3.13±0.863.24±0.873.03±0.803.19±0.91
 Lesion length (mm ±SD)22.74±13.7519.97±12.0119.97±12.0122.52±13.27
 Proximal segment diseased (n, %)587/770 (76.2%)142/226 (62.8)269/296 (90.9%)176/248 (71.0%)
vFFR
 vFFR (IQR)0.84 (0.69–0.93)0.88 (0.75–0.96)0.77 (0.65–0.86)0.89 (0.73–0.97)
  • CX, left circumflex artery; D-QCA, three-dimensional quantitative coronary angiography; %DS, percentage diameter stenosis; LAD, left anterior descending artery; MLD, minimum lumen diameter; RCA, right coronary artery; RVD, reference vessel diameter; vFFR, vessel fractional flow reserve.