Table 2 Baseline Lesion Characteristics

QCA feature

 Diameter stenosis, %

67.64 ± 10.174

-

 LAD

92 (63.0%)

-

 LCX

18 (12.3%)

-

 RCA

36 (24.7%)

-

QFR feature

 Reference vessel diameter, mm

2.94(2.44, 3.29)

2.80(2.34, 3.19)

P > 0.05

 Minimal lumen diameter, mm

1.61 ± 0.51

1.55 ± 0.47

P > 0.05

 Diameter stenosis (%)

45.1 ± 10.5

44.2 ± 10.7

P > 0.05

 Area Stenosis (%)

2.91 ± 0.65

2.78 ± 0.61

P > 0.05

Functional indexes

 target-μFR value

0.83 ± 0.101

-

 vessel-μFR value

0.83 ± 0.098

-

 FFR

0.82 ± 0.098

-

 FFR ≤ 0.80

61 (41.5%)

-