Table 2

Correlation of characteristics and histological parameters with bone marrow status

Characteristic or histological parameter

No. of patients
Patients (%)
Correlation with BM status (p)

Menopause
No
82
31
0.75

Yes
183
69

Tumor size
<2 cm
153
61
0.06

≥2 cm
98
39


na
14


Lymph node involvement
No
136
53
0.29

Yes
122
47


na
7


Grading
1, 2
149
64
0.65

3
83
36


na
33


Estrogen receptor
Positive
141
60
0.85

Negative
94
40


na
30


Lymphangiosis
No
196
75
0.38

Yes
64
25


na
5


Hemangiosis
No
245
95
0.58

Yes
12
5


na
8



BM, bone marrow; na, not available.

Schindlbeck et al. Breast Cancer Research 2005 7:R1174   doi:10.1186/bcr1360