. 2013 Apr 11;17(1):26–31. doi: 10.1093/icvts/ivt113

Table 4:

Comparison of postoperative parameters between the two groups

Parameters	Staple group (n = 29)	BiClamp^® group (n = 66)	P-value
Operation time (min; median, range)	271, 152–397	281, 139–481	0.284^a
Intraoperative bleeding (ml; median, range)	103, 20–445	125, 20–940	0.277^a
Prolonged air leak (>7 days)	2 (6.9%)	7 (10.6%)	0.717^b
Pneumonia	1 (3.4%)	6 (9.1%)	0.672^b

^aMann–Whitney U-test.

^bFisher's exact test.