Characteristic

IBC n =26 (%)

Non-IBC n =27 (%)

P-value

Age
Range
mean

29-72
51±12.3

37-78
55±10.5

>0.05

Tumor size
≤2
>2
NA

2 (8%)
23 (92%)
1

2 (10%)
20 (90%)
5

>0.05

Number of Positive Lymph nodes
<4
≥4
NA

6 (24%)
19 (76%)
1

16 (61%)
6 (39%)
5

<0.001**

Tumor grade
Grade I-II
Grade III
NA

18 (81%)
4 (19%)
4

18 (86%)
3 (14%)
6

>0.05

ER
Negative
Positive
NA

11 (55%)
9 (45%)
6

12 (63%)
7 (37%)
8

>0.05

PR
Negative
Positive
NA

9 (45%)
11 (55%)
6

12 (63%)
7 (37%)
8

>0.05

HER-2
Negative
Positive
NA

14 (82%)
3 (18%)
1

15 (79%)
4 (21%)
8

>0.05

NA = is the number of patients had no available data; n= number of patients; P<0.001 = Extremely significant difference; P>0.05 = non-significant difference
Table 1: Clinical and pathological characteristics of IBC and non-IBC patients.