Centromere protein-A, an essential centromere protein, is a prognostic marker for relapse in estrogen receptor-positive breast cancer

Table 1 Patient characteristics.

Dataset	Wang	TRANSBIG	JBI	MDA233
Patients (number)	286	198	276	233
Age (y)
Median	Unknown	46	64	51
Range		24 - 60	40 - 88	26 - 79
T stage
T1	0	102	107	23
T2	0	96	149	132
T3 or T4	0	0	8	78
Unknown	286	0	12	0
Tumor grade
1	0	30	50	13
2	0	83	130	96
3	0	83	47	124
Unknown	286	2	49	0
Node status
Positive	0	0	142	166
Negative	286	198	117	67
Unknown	0	0	17	0
ER status
Positive	209	134	266	142
Negative	77	64	10	91
Unknown	0	0	0	0
PR status
Positive	0	0	135	0
Negative	0	0	29	0
Unknown	286	198	112	233
Her2/neu status
Positive	0	0	0	142
Negative	0	0	0	91
Unknown	286	198	276	0

ISSN: 1465-542X