Table 3

ERCC2 Asp312Asn, ERCC2 Lys751Gln polymorphisms and potential breast cancer risk factors


Nonsmokers
Smokers

Genotype
Cases (%)
Controls (%)
OR (CI 95%)
P value
Cases (%)
Controls (%)
OR (CI 95%)
P value

ERCC2 Asp312Asn








Asp/Asp
283 (45)
299 (47)
1.00 (reference)

102 (42)
159 (44)
1.00 (reference)

Asp/Asn
258 (41)
270 (43)
1.01 (0.80–1.28)

111 (46)
146 (41)
1.19 (0.83–1.68)

Asn/Asn
85 (14)
64 (10)
1.4 (0.98–2.02)
0.16
29 (12)
54 (15)
0.84 (0.50–1.40)
0.36


No HRT* users
HRT users

Genotype
Cases (%)
Controls (%)
OR (CI 95%)
P value
Cases (%)
Controls (%)
OR (CI 95%)
P value

ERCC2 Asp312Asn








Asp/Asp
175 (46)
137 (48)
1.00 (reference)

75 (40)
216 (47)
1.00 (reference)

Asp/Asn
152 (40)
119 (41)
1.00 (0.72–1.39)

92 (49)
191 (42)
1.39 (0.97–1.99)

Asn/Asn
54 (14)
31 (11)
1.36 (0.83–2.23)
0.44
19 (10)
50 (11)
1.09 (0.61–1.97)
0.20


No OC** users
OC users

Genotype
Cases (%)
Controls (%)
OR (CI 95%)
P value
Cases (%)
Controls (%)
OR (CI 95%)
P value

ERCC2 Asp312Asn








Asp/Asp
240 (46)
215 (50)
1.00 (reference)

143 (42)
243 (43)
1.00 (reference)

Asp/Asn
208 (40)
176 (41)
1.06 (0.81–1.39)

161 (47)
242 (43)
1.13 (0.85–1.51)

Asn/Asn
74 (14)
40 (9)
1.66 (1.08–2.53)
0.061
40 (12)
78 (14)
0.87 (0.56–1.34)
0.44

ERCC2 Lys751Gln








Lys/Lys
79 (15)
39 (9)
1.00 (reference)

38 (11)
80 (14)
1.00 (reference)

Lys/Gln
223 (43)
198 (46)
0.56 (0.36–0.85)

181 (52)
248 (44)
1.54 (1.00–2.36)

Gln/Gln
222 (42)
195 (45)
0.56 (0.37–0.86)
0.018
127 (37)
235 (42)
1.14 (0.73–1.77)
0.044


Age at first OC use ≤ 23 years
Age at first OC > 23 years

Genotype
Cases (%)
Controls (%)
OR (CI 95%)
P value
Cases (%)
Controls (%)
OR (CI 95%)
P value

ERCC2 Lys751Gln








Lys/Lys
23 (14)
46 (15)
1.00 (reference)

15 (8)
34 (13)
1.00 (reference)

Lys/Gln
80 (50)
145 (47)
1.10 (0.62–1.95)

101 (55)
103 (40)
2.22 (1.15–4.29)

Gln/Gln
58 (36)
115 (38)
1.01 (0.56–1.82)
0.89
69 (37)
120 (47)
1.3 (0.66–2.56)
0.008


Waist-to-hip ratio = 0.85
Waist-to-hip ratio > 0.85

Genotype
Cases (%)
Controls (%)
OR (CI 95%)
P value
Cases (%)
Controls (%)
OR (CI 95%)
P value

ERCC2 Asp312Asn








Asp/Asp
252 (46)
356 (46)
1.00 (reference)

151 (42)
102 (48)
1.00 (reference)

Asp/Asn
234 (43)
326 (42)
1.01 (0.80–1.28)

149 (42)
92 (43)
1.09 (0.76–1.57)

Asn/Asn
60 (11)
98 (13)
0.86 (0.60–1.24)
0.68
58 (16)
20 (9)
1.96 (1.12–3.43)
0.06

* HRT = Hormone Replacement Therapy

** OC = Oral Contraceptive

Bernard-Gallon et al. Molecular Cancer 2008 7:36   doi:10.1186/1476-4598-7-36