Table 2. Correlation between clinicopathologic factors and expression of nuclear survivin in breast cancer.

	Nuclear survivin expression
	Negativea (n=154)	Positiveb (n=139)	P-value
Age (years)
⩽60	93	89	n.s.
>60	61	50
Histological grade
I+II	75	79	n.s.
III	79	60
Lymph node status
Node −	76	88	n.s.
Node +	78	51
ER status
+ (⩾10 fm mg−1)	96	99	n.s.
− (<10 fm mg−1)	51	35
Unknown	7	5
Tumour size (cm)
⩽2.8	77	71	n.s.
>2.8	77	68
Adjuvant chemotherapy
Yes	76	70	n.s.
No	68	64
Unknown	10	5
Tamoxifen
Yes	91	73	n.s.
No	51	60
Unknown	12	6

^a⩽20% nuclear survivin expression.

^b>20% nuclear survivin expression. n.s.=not significant.