Patients
(n=160)
Control
(n=92)
95% CI
Odds Ratio
P
NO.
(%)
NO.
%
A
85
(53.1)
36
(39.1)
1.04-2.96
2.13
0.03
B
28
(17.5)
17
(18.4)
0.48-1.82
0.93
0.84
O
35
(21.8)
30
(32.6)
0.32-1.02
0.57
0.06
AB
12
(7.5)
9
(9.7)
0.30-1.84
0.74
0.52
Table 3:
Association of ABO blood group with breast cancer risk.
