Table 4 Lesion and procedural characteristics

Follow-up duration, days

115 ± 29

121 ± 25

Evidence of ischemia, n (%)

Exercise tests

6 (4)

12 (6)

Scintigraphy

25 (17)

17 (9)

FFR/iFR

12 (8)

4 (2)

None

106 (71)

155 (82)

Acute coronary syndrome, n (%)

45 (30)

78 (42)

Target vessel, n (%)

Left anterior descend artery

44 (30)

66 (35)

Left circumflex artery

64 (43)

85 (45)

Right coronary artery

35 (23)

27 (15)

Left main trunk

6 (4)

10 (5)

Heavy calcification, n (%)

17 (11)

19 (10)

Bifurcation, n (%)

53 (36)

73 (39)

Chronic total occlusion, n (%)

4 (3)

13 (7)

ACC/AHA classification, n (%)

 Type A/ B1/ B2/ C

15 (10)/ 26 (17)

/ 24 (16)/ 84 (56)

20 (11)/ 34 (18)

/ 41 (22)/ 93 (50)

Pre-dilatation balloon

 Maximum diameter, mm

2.63 ± 0.53

2.66 ± 0.52

 Maximum pressure, atm

13 ± 4

13 ± 3

 Maximum stent diameter, mm

3.04 ± 0.45

3.12 ± 0.40

 Minimum stent diameter, mm

2.92 ± 0.43

3.02 ± 0.43

 Total stent length, mm

31 ± 16

31 ± 20

 Stent implantation pressure, atm

12 ± 3

12 ± 3

Post-dilatation balloon

 Maximum diameter, mm

3.20 ± 0.56

3.28 ± 0.65

 Maximum pressure, atm

17 ± 4

16 ± 4

 Number of stents

1.2 ± 0.4

1.2 ± 0.4

Usage of intravascular imaging device, n (%)

Intravascular ultrasound

118 (79)

162 (86)

Optical coherence tomography

28 (19)

22 (12)

None

3 (1)

4 (1)

Type of DES

Cypher

1 (1)

2 (1)

Taxus

0 (0)

1 (1)

Endeavor

28 (19)

50 (27)

Xience

30 (20)

32 (17)

Promus

0 (0)

4 (2)

Resolute

35 (23)

38 (20)

Synergy

26 (17)

24 (13)

Ultimaster

21 (14)

23 (12)

Orsiro

0 (0)

3 (2)

BioFreedom

8 (5)

11 (6)

QCA data

Pre-PCI

Minimum lumen diameter, mm

0.95 ± 0.57

0.86 ± 0.57

Reference diameter, mm

2.65 ± 0.69

2.78 ± 0.80

Diameter stenosis, %

64 ± 20

70 ± 19

Lesion length, mm

15 ± 9

17 ± 12

Post-PCI

Minimum lumen diameter, mm

2.39 ± 0.52

2.52 ± 0.51

Reference diameter, mm

2.85 ± 0.55

3.03 ± 0.59

Diameter stenosis, %

16 ± 8

17 ± 8