Risk factors

Observation group

n (%)

Control group

n (%)

χ² value

P value

Success rate of hemostasis

33 (94.29)

30 (85.71)

7.12

P < 0.05

Cure rate

28 (80.00)

24 (68.57)

7.23

P < 0.05

Complication rate

2 (5.71)

5 (14.29)

6.22

P < 0.01

Dyspnea rate

1 (2.86)

3 (8.57)

9.86

P < 0.05

Nursing dispute rate

0 (0)

5 (14.29)

6.74

P < 0.01