From: Vitamins A, E and D and cancer risk in BRCA1 carriers
Vit A (μg/l)
Cases (n=99)
Controls (n=194)
OR
p-value
0,60 – 1,32[
35(35,4%)
38(19,6%)
1,000
-
[1,32 – 1,55[
22(22,2%)
51(26,3%)
0,468
0.02190
[1,55 – 1,80[
21(21,2%)
52(26,8%)
0,438
0.15977
[1,80 – 2,55
53(27,3%)
0,430
0.01341