Table 1.

Baseline patient and tumor characteristics

	All patients
	(N = 116)
Age
Mean (SD), years	56.2 (9.0)
Median (range), years	56.5 (35-76)
Tumor size a
Mean (SD), mm	16.4 (6.9)
Median (range), mm	15.0 (6-55)
Nodal status, b n (%)
Node negative	93 (86.1)
Node positive	15 (13.9)
Tumor grade, c n (%)
1	16 (15.4)
2	66 (63.5)
3	22 (21.2)
Type of surgery, d n (%)
Lumpectomy	96 (83.5)
Mastectomy	19 (16.5)
Recurrence Score
Mean (SD)	22.9 (3.7)
Median (range)	22 (18-30)

SD standard deviation.

^aTumor size information was unavailable for 1 patient.

^bNodal status information was unavailable for 8 patients.

^cTumor grade information was unavailable for 12 patients.

^dSurgery type information was unavailable for 1 patient.