Table 3

Odds ratios of breast cancer risk by cytological categories and presence of epithelial cells in NAF, Sartorius Cohort 1970–1991.

Breast cancer by cytology:
In model: N = 946 # with breast cancer
n
%
OR
95% CI
p-value

No fluid
63
714
9%
1.0
(referent)

Fluid without epithelial cells
2
19
11%
1.4
0.32–6.4
0.64
Normal
11
89
12%
1.7
0.87–3.5
0.12
Hyperplasia or atypia
17
124
14%
2.0
1.1–3.6
0.02







Any epithelial cells:






No fluid/insufficient specimen
65
733
9%
1.0
(referent)

Unable to classify, normal, hyperplasia, atypia
28
213
13%
1.9
1.2–3.1
0.01

Baltzell et al. BMC Cancer 2008 8:75   doi:10.1186/1471-2407-8-75