Skip to main content

Table 2 lesions characteristics, surgical-related indicators between Group A and B

From: Potential value of guard-wire technology in the interventional treatment for ostial coronary lesions

Variables

A group (n = 71)

B group

(n = 70)

P value

Maximum stenosis (%)

83.6 ± 5.1

83.0 ± 5.4

0.41

Target lesion length (mm)

24.0 ± 4.1

24.7 ± 3.9

0.65

Target vessel diameter (mm)

3.3 ± 0.32

3.2 ± 0.38

0.14

Number of patients with ostial lesions (n, %)

32 (45.1)

31 (44.3)

0.93

Number of patients with distant lesions (n, %)

39 (54.9)

39 (55.7)

0.93

Number of cases combined with other guide wire technology (n, %)

9 (12.7)

11 (15.7)

0.61

X-ray exposure time (min)

6.0 ± 0.84

9.0 ± 1.2

0.005

The contrast agent (ml)

85.8 ± 6.2

97.1 ± 10.1

0.000

PCI total time (min)

11.2 ± 1.1

16.9 ± 1.8

0.000

Stent positioning time (min)

1.1 ± 0.2

2.5 ± 0.1

0.02

Number of pressure marshals (n, %)

4 (5.6)

13 (18.6)

0.018

Arrhythmia (n, %)

1 (1.4)

8 (11.4)

0.015

Complications (n, %)

2 (2.8)

9 (12.9)

0.026