Table 3.

Clinicopathological analysis of cytoplasmic IL-33 expression in breast carcinoma.

Variables	IL-33 (%)
	N	Mean	SD	P value
Age
≤50 years	13	83.85	27.25	0.103
>50 years	16	63.44	37.71
Menopausal status
No	13	83.85	27.25	0.114
Yes	16	63.44	37.72
Size
≤2 cm	13	68.85	32.28	0.607
>2 cm	16	75.63	36.87
AJCC stage
I + II	22	69.09	34.21	0.342
III	7	83.57	35.44
Histological gradea
1 + 2	15	87.33	18.70	0.027
3	11	58.64	41.96
ER expression
Negative	14	76.8	34.8	0.536
Positive	15	68.7	34.82
PR expression
Negative	16	73.44	34.09	0.887
Positive	13	71.54	36.25
HER2 expression
No	18	62.50	38.90	0.017
Yes	11	89.09	16.40
Ki-67 expression
Low	6	75.00	24.29	0.851
High	23	71.96	37.07
Lymph node metastasis
≤3	24	67.71	35.87	0.002
>3	5	96.00	8.94
Family history
No	26	69.81	35.34	0.002
Yes	3	96.67	5.77

^aTwo cases with invasive lobular carcinomas and one case with an intraductal papillary carcinoma.