Table 2: Clinicopathologic characteristics of the studied cases.

Variable	BLBC No (%)	Non-BLBC No (%)	P value
Age
Mean ± SD, years	44±8	48.3±9	0.03
Menopausal status
Pre	13 (65%)	34 (52.3%)	0.46
Post	7 (35%)	31 (47.7%)
Tumour size
Mean ± SD, cm	3.6±1.9	4.5±2.2	0.10
Lymph node
Positive	8 (40%)	44 (67.7%)	0.05
Negative	12 (60%)	21 (32.3%)
Lymphovascular invasion
Yes	9 (45%)	39 (60%)	0.35
No	11(55%)	26 (40%)
Stage
I	1(5%)	2 (3.1%)	0.78
II	6 (30%)	10 (15.4%)	0.26
III	10 (50%)	40 (61.5%)	0.51
VI	3 (15%)	13 (20%)	0.86
Necrosis
Yes	13 (65%)	23 (35.4%)	0.04
No	7 (35%)	42 (64.6%)
Mitotic count
Mean ± SD, mitosis/10HPF	30±10	15±8	<0.0001
P16
Positive	16 (80%)	33 (50.8%)	0.04
Negative	4 (20%)	32 (49.2%)
Loco-regional recurrence	3 (15%)	13 (20%)	0.86
Systemic metastasis	8 (40%)	17 (26.2%)	0.36
Systemic metastasis site
Brain	6 (30%)	5 (7.7%)	0.03
Lung	5 (25%)	4 (6.2%)	0.05
Liver	2 (10%)	24 (36.9%)	0.04
Bone	2 (10%)	25 (38.5%)	0.03
Non regional LN	3 (15%)	13 (20%)	0.86