Table 1.

Demographic characteristics of breast cancer patients assessed for S100A8 expression (n = 140).

Variable	Total n = 140	Low-S100A8	High-S100A8	p
AGE
< 60	93	44 (47.3%)	49 (52.7%)	0.075
≥60	47	30 (63.8%)	17 (36.2%)
POSITION
Left	71	36 (50.7%)	35 (49.3%)	0.616
Right	69	38 (55.1%)	31 (44.9%)
HISTOLOGICAL TYPE
Ductal	130	66 (50.8%)	64 (49.2%)	0.103
Nonductal	10	8 (80%)	2 (20%)
STAGE
I	33	18 (54.5%)	15 (45.5%)	< 0.001
II	61	42 (68.9%)	19 (31.1%)
III	46	14 (30.4%)	32 (69.6%)
GRADE
G1	8	5 (62.5%)	3 (37.5%)	0.086
G2	101	58 (57.4%)	43 (42.6%)
G3	31	11 (35.5%)	20 (64.5%)
TUMOR SIZE
T1	57	34 (59.6%)	23 (40.4%)	0.410
T2	81	39 (48.1%)	42 (51.9%)
T3	2	1 (50%)	1 (50%)
LN METASTASIS
Yes	65	29 (44.6%)	36 (54.4%)	0.089
No	75	45 (60%)	30 (40%)
ER STATUS
positive	79	53 (67.1%)	26 (32.9%)	< 0.001
negative	61	21 (34.4%)	40 (65.6%)
PR STATUS
positive	60	43 (71.7%)	17 (28.3%)	< 0.001
negative	80	31 (38.8%)	49 (61.2%)
HER2 STATUS
positive	29	9 (31.0%)	20 (69.0%)	0.012
negative	111	65 (58.6%)	46 (41.4%)
RELAPSE
Yes	38	12 (34.2%)	26 (65.8%)	0.002
No	102	62 (60.8%)	40 (39.2%)
MENOPAUSE
Yes	69	40 (58.0%)	29 (42.0%)	0.248
No	71	34 (47.9%)	37 (52.1%)

LN, lymph node.