Ligation versus stapling in video-assisted thoracoscopic (VATS) bullectomy; early outcome of a low cost technqiue

The Cardiothoracic Surgeon

Table 3 Comparison of the post-operative details between VATS bullae ligation and VATS bullectomy using staplers

		Ligation	Staplers	T	P-value	Sig
		No. = 60	No. = 60	T	P-value	Sig
Air leak duration (day)	Range	1 – 3	1—15	-2.890•	0.004	HS
	Mean ± SD	1.700 ± 0.808	2.700 ± 2.234
	Median [IQR]	1 [1]	2 [2]
post-operative drainage (ml)	Range	10 – 200	25—700	-6.227•	< 0.0001	HS
	Mean ± SD	73.167 ± 49.753	225.667 ± 159.316
	Median [IQR]	50 [75]	200 [243.75]
Hospital stay duration (day)	Range	2 – 6	2 – 19	-2.033•	0.042	S
	Mean ± SD	3.800 ± 1.070	4.917 ± 2.794
	Median [IQR]	4 [2]	4 [3]
Cost of stay (L.E)	Range	350 – 1400	700 – 6800	-5.19•	< 0.001	HS
	Mean ± SD	962.5 ± 326.2	1688.33 ± 980.8
	Median [IQR]	1050 [700]	1400 [1050]
Total Cost (L.E)	Range	3900 – 4950	10,200 – 18,300	-9.493•	< 0.001	HS
	Mean ± SD	4498.17 ± 338.4	12,106.5 ± 1572.5
	Median [IQR]	4550 [700]	11,950 [1840]

P-value > 0.05: Non-significant, P-value < 0.05: Significant, P-value < 0.01: highly significant
• Mann Whitney exam