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Table 2 Genotype distributions in colorectal cancer patients and healthy controls

From: Association of DNA repair gene variants with colorectal cancer: risk, toxicity, and survival

Gene

Group

Rs number

Locus/effect

Major homozygote

Heterozygote

Minor homozygote

Total n

Hardy-Weinberg p

XRCC1

Patients

rs25487

Arg399Gln

253 (G/G)

269 (G/A)

68 (A/A)

590

0.96

 

Controls

  

128 (G/G)

136 (G/A)

36 (A/A)

300

1.0

ERCC1

Patients

rs11615

Asn118Asn

237 (T/T)

265 (C/T)

78 (C/C)

580

0.96

 

Controls

  

122 (T/T)

151 (C/T)

27 (C/C)

300

0.12

ERCC2

Patients

rs238406

Arg156Arg

178 (C/C)

282 (C/A)

112 (A/A)

572

1.0

 

Controls

  

70 (C/C)

162 (C/A)

65 (A/A)

297

0.29

ERCC2

Patients

rs13181

Lys751Gln

219 (A/A)

286 (A/C)

76 (C/C)

581

0.51

 

Controls

  

138 (A/A)

125 (A/C)

31 (C/C)

294

0.94

  1. NOTE- Missing data: XRCC1-rs25487 for 6 patients; ERCC1-rs11615 for 16 patients; ERCC2-rs238406 for 3 controls and 24 patients; ERCC2-rs13181 for 15 patients and 6 controls