Table 4.

Margin status and management before and after consensus guidelines of 2014

	Overall	Before 2014	2014–2018	p-value
Final margin width, mm (mean, median, SD)	2.55, 1.5, SD 2.94	2.64, 1.5, SD 3.17	2.34, 1, SD 2.37	0.4978
Positive margins at initial BCS (defined as ink on tumor)	118 (37.6%)	94 (42.7%)	24 (25.5%)	0.009
Cases undergoing re-excision lumpectomy or completion mastectomy for any indication	139 (44.3%)	120 (54.6%)	19 (20.2%)	<0.001
Cases undergoing re-excision lumpectomy or completion mastectomy for positive margins	102 (86.4%)	85 (90.4%)	17 (70.8%)	0.012
Cases undergoing re-excision lumpectomy or completion mastectomy for negative margins	37 (18.9%)	35 (27.8%)	2 (2.9%)	<0.001
Completion mastectomy rate	68 (21.7%)	61 (27.7%)	7 (4.5%)	<0.001