Table 2. Local Recurrence Rate by Distance to the Specimen Margin.

Specimen Margin, mm	Tumors, No.	LR Rate (95% CI), %	RR (95% CI)
0 (Positive)	81	44 (34-55)	4.18 (2.22-7.88)
<1	54	28 (18-41)	2.61 (1.26-5.40)
1	42	17 (8-31)	1.57 (64-3.83)
2	39	13 (6-27)	1.21 (0.44-3.30)
3	23	13 (5-32)	1.23 (0.37-4.10)
4	21	14 (5-35)	1.34 (0.40-4.46)
≥5	94	11 (6-18)	1 [Reference]

Abbreviations: LR, local recurrence; RR, relative risk.