Clinical Observation of Modified Implantation of ASD Closure Device to Treat BPFs

Table 4

Comparison of Borg scores before and after the surgery.

	Before surgery	4 weeks after the surgery	8 weeks after the surgery	12 weeks after the surgery
Borg score	5.15 + 2.23	0.73 + 0.90	0.82 + 1.78	0.3 + 0.48
Number of cases	13	11	11	11
t		7.9	5.99	7.44
		<0.001	0.0001	<0.001