Table 2

Associations between the combined expression of CD44/CD24 and the classic breast cancer prognostic factors and biomarkers

	n	CD44⁺CD24^−/low<10%	CD44⁻CD24^−/low≥10	p Value
Tumour size	403	222	181	0.362
T1 <2 cm	100	54	46
T2 2–5 cm	240	138	102
T3 >5 cm	63	30	33
Lymph nodes	364	195	169	<0.0001
Positive	206	127	79
Negative	158	68	90
Histological grade	438	236	202	0.582
Grade I	80	40	40
Grade II	133	76	57
Grade III	225	120	105
ER	459	251	208	0.082
Positive	304	175	129
Negative	155	76	79
PgR	460	251	209	0.480
Positive	225	119	106
Negative	235	132	103
HER2	457	250	207	0.126
Positive	68	43	25
Negative	389	207	182
Ki67	441	241	200	0.657
High	29	17	12
Low	412	224	188
EGFR	461	252	209	0.184
Positive	22	9	13
Negative	439	243	196
CK5	461	252	209	<0.0001
Positive	66	22	44
Negative	395	230	165
P-cadherin	461	252	209	0.008
Positive	114	50	64
Negative	347	202	145
CK14	461	252	209	0.003
Positive	24	6	18
Negative	437	246	191
Vimentin	454	248	206	<0.0001
Positive	78	19	59
Negative	376	229	147
ALDH1	459	250	209	0.599
Positive	32	16	16
Negative	427	234	193

ER, oestrogen receptor; PgR, progesterone receptor.