Table 4.

Secondary endpoints: drainage volume and seroma management

	Control group	Treatment group	p value
	(n = 64)	(n = 66)
Total wound drainage	411.4 ± 366.6	96.8 ± 270.1	<0.0001
Cumulative drain volume	396.5 ± 339.9	–	N/A
Aspiration volume	14.9 ± 67.1	96.8 ± 270.1	0.0202
Days to drain removal	6.9 ± 3.3	–	N/A
Cumulative days of invasive treatment	7.3 ± 3.3	1.6 ± 3.4	<0.0001

p values are from two-sample Wilcoxon test