. Author manuscript; available in PMC: 2021 Nov 10.

Published in final edited form as: J Magn Reson Imaging. 2019 Mar 7;50(4):1125–1132. doi: 10.1002/jmri.26701

TABLE 1.

Patient Characteristics of the Study Cohort

	Total (n = 120)	ALN metastasis positive (n = 59)	ALN metastasis negative (n = 61)	P
Age (mean ± SD), years old	45.4 ± 10.3	47.7 ± 10.8	43.2 ± 9.3	0.081
Tumor size (mean ± SD), cm	3.2 ± 2.0	3.8 ± 2.2	2.6 ± 1.7	0.078
Histological type, No (%)				0.005
Invasive ductal cancer	108 (90.0)	58 (98.3)	50 (82.0)
Other types	12 (10.0)	1 (1.7)	11 (18.0)
Histologic grade, No (%)				0.066
I	14 (11.7)	3 (5.1)	11 (18.0)
II	97 (80.8)	50 (84.8)	47 (77.1)
III	9 (7.5)	6 (10.2)	3 (4.9)

ALN: axillary lymph node.