Analysis of the Impact of Intraoperative Margin Assessment with Adjunctive Use of MarginProbe versus Standard of Care on Tissue Volume Removed

Table 1

Total tissue volume removed.

Average per patient	Control	Device	Difference
Initial surgery
Main specimen	61.3 cc	59.7 cc	−1.6 cc
True positive shavings	2.7 cc	6.7 cc	4.0 cc
False positive shavings	7.7 cc	21.1 cc	13.4 cc
Total volume	71.9 cc	87.5 cc	15.6 cc
Reexcision surgeries
Tissue volume	49.5 cc	28.4 cc	−21.1 cc
Normalized tissue volume; (normalized to breast volume)	5.6%	4.0%	−1.6%
All surgeries
Total tissue volume	84.8 cc	93.3 cc	8.5 cc
Normalized total tissue volume; (normalized to breast volume)	12.5%	15.1%	2.6%