Table 2.

Association between IMPC and clinicopathological characteristics

Clinicopathological characteristics		non-IMPC	IMPC	P
		n (%)	n (%)
Menopausal status	pre	35 (50.0)	13 (81.3)	0.021
	post	35 (50.0)	3 (18.8)
Tumor size	1	31 (44.9)	2 (12.5)	0.014
	2–4	38 (55.1)	14 (87.5)
Lymph node status	0	39 (55.7)	5 (31.3)	0.068
	1–3	31 (44.3)	11 (68.7)
Clinical stage	I, II	52 (74.3)	13 (81.3)	0.41
	III	18 (25.7)	3 (18.7)
Histological grade	1,2	30 (46.2)	5 (35.7)	0.447
	3	35 (53.8)	9 (64.3)
Estrogen receptor	Negative	27 (38.6)	2 (12.5)	0.04
	Positive	43 (61.4)	14 (87.5)
Progesterone receptor	Negative	33 (47.1)	5 (31.3)	0.248
	Positive	37 (52.9)	11 (68.7)

The numbers in italic correspond to statistically significant p values