. Author manuscript; available in PMC: 2019 Jul 8.

Published in final edited form as: Breast Cancer Res Treat. 2014 Dec 14;149(1):255–261. doi: 10.1007/s10549-014-3219-9

Table 2:

Primary Tumor ER Status in women with PABC versus non-PABC in dataset 1

		ER negative, n (% of women with ER status in database)	P-value	Missing ER status, n (% of all women)
Age ≤ 30	PABC	32.5 %	.863	63/103 (61.2%)
	Non-PABC	27.6 %	.863	39/68 (57.4 %)
Age > 30 & ≤ 35	PABC	28%	.335	87/164 (53.5%)
	Non-PABC	21.8 %	.335	145/278 (52.2%)
Age > 35 & ≤ 40	PABC	27.0 %	.324	82/156 (52.6%)
	Non-PABC	20.9 %	.324	396/707 (56.0%)
Age > 40 & ≤ 49	PABC	14.5%	.32	51/113 (45.1%)
	Non-PABC	20.6%	.32	1388/2623 (52.9%)
Age ≤ 40	PABC	28.5%	.057	232/423 (52.8%)
	Non-PABC	21.6%	.057	580/1053 (55.1%)
Age ≤ 49	PABC	25.4%	.096	283/536 (52.8%)
	Non-PABC	20.8%	.096	1968/3676(53.5%)