UGT1A1
(TA) genotype

Cases a
n (%)

Controls a
n (%)

UGT1A1*1/*1

33 (58)

20 (57)

UGT1A1*1/*28

6 (11)

5 (14)

UGT1A1*28/*28

13 (23)

6 (17)

UGT1A1*28/*37

5 (9)

4 (11)

Total

57

35

a Number of samples with genotype/total samples
Table 2: Genotype frequencies of the UGT1A1 polymorphism in breast cancer cases and controls.