Table 1. Tumor characteristics and clinical variables: association with nestin expression And with overall survival.

	N. of patients	Nestin	P*	N. of events	P°
Age			0.276		0.541
≤51#	25	11		15
>51	28	17		15
Tumor stage			0.016		0.455
T4abc	38	16		21
T4d	15	12		9
Axillary nodes§			1.000		0.029
CLN 0	12	6		3
CLN +	41	22		27
Triple negative			0.002		0.039
Yes	18	15		13
No	35	13		17
Hormone receptor status			0.029		0.140
ER − PR−	24	17		16
ER − PR +	1	1		0
ER + PR −	12	6		6
ER + PR +	16	4		8
Estrogen receptor status			0.013		0.075
ER+	28	10		14
ER −	25	18		16
Progesteron receptor status			0.037		0.079
PR +	17	5		8
PR −	36	23		22
HER2 status			0.162		0.635
HER2 +	10	3		5
HER2 −	43	25		25
Grading			0.360		0.461
G2	38	22		23
G3	15	6		7
Pathological response			0.255		0.087
pCR	8	5		2
<pCR	45	23		28
Clinical response			0.256		0.043
Complete response	8	4		2
Partial response	36	17		20
< Partial response	9	7		8

^*Fisher's exact test or Pearson's test;

^°log-rank test;

^#median age;

^§after primary chemotherapy.