Pre-dilatation
|
32 (100.0)
|
74 (100.0)
|
1.000
|
25 (100.0)
|
25 (100.0)
|
1.000
|
Balloon diameter of pre-dilatation, (mm)
|
5.27 ± 0.54
|
5.31 ± 0.64
|
0.729
|
5.22 ± 0.46
|
5.44 ± 0.56
|
0.137
|
Balloon/artery ratio of pre-dilatation
|
0.94 ± 0.11
|
0.96 ± 0.12
|
0.307
|
0.93 ± 0.10
|
0.99 ± 0.11
|
0.052
|
Balloon pressure of pre-dilatation, (atm)
|
11.5 ± 3.3
|
11.1 ± 3.0
|
0.526
|
11.5 ± 3.5
|
10.8 ± 2.7
|
0.441
|
The detail of PCB
|
Diameter, (mm)
|
5.63 ± 0.79
|
–
|
–
|
5.60 ± 0.82
|
–
|
–
|
Total length, (mm)
|
133.8 ± 52.7
|
–
|
–
|
137.6 ± 52.1
|
–
|
–
|
Inflation time, (sec)
|
72.2 ± 32.2
|
–
|
–
|
74.4 ± 35.8
|
–
|
–
|
Dilatation pressure, (atm)
|
9.1 ± 3.1
|
–
|
–
|
9.5 ± 3.4
|
–
|
–
|
Bail-out stenting
|
0 (0.0)
|
20 (27.0)
|
< 0.001
|
0 (0.0)
|
7 (28.0)
|
0.001
|
Complications
|
Slow flow
|
3 (9.4)
|
5 (6.8)
|
0.695
|
2 (4.0)
|
1 (3.0)
|
1.000
|
Distal embolization
|
2 (6.3)
|
3 (4.1)
|
0.637
|
2 (4.0)
|
0 (0.0)
|
0.490
|
Vessel perforation
|
0 (0.0)
|
0 (0.0)
|
1.000
|
0 (0.0)
|
0 (0.0)
|
1.000
|