Case Control Study
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©The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Jan 21, 2020; 26(3): 307-323
Published online Jan 21, 2020. doi: 10.3748/wjg.v26.i3.307
Table 1 Function prediction of nucleotide excision repair polymorphisms in the discovery stage
SNP Chromosome Nearby gene Allele Position nsSNP Splicing (site) Splicing (abolish domain) Splicing (ESE or ESS) Stop Codon Polyphen SNPs3D (svm profile) SNPs3D (svm structure) TFBS miRNA (miRanda) miRNA (Sanger) Reg Potential Conservation rs2029298 11 DDB2 A/G Promoter -- -- -- -- -- -- -- -- Y -- -- 0 0.001 rs326222 11 DDB2 C/T Intron -- -- -- -- -- -- -- -- -- -- -- 0 0.001 rs3781619 11 DDB2 A/G Intron -- -- -- -- -- -- -- -- -- -- -- NA 0 rs830083 11 DDB2 A/C/G/T Intron -- -- -- -- -- -- -- -- -- -- -- NA 0 rs11615 19 ERCC1 C/T Exon -- -- -- Y -- -- -- -- -- -- -- 0.26724 0.989 rs2298881 19 ERCC1 A/C/T Intron -- -- -- -- -- -- -- -- Y -- -- 0.252611 0 rs3212955 19 ERCC1 A/G Intron -- -- -- -- -- -- -- -- -- -- -- 0.246701 0 rs3212961 19 ERCC1 A/C/T Intron -- -- -- -- -- -- -- -- -- -- -- 0 0 rs3212986 19 ERCC1 A/C/G/T Exon Y -- -- -- -- Benign -- -- -- -- -- 0.305187 0 rs735482 19 ERCC1 A/C Exon Y -- -- -- -- Benign -- -- -- -- -- 0 0 rs1052555 19 ERCC2 C/T Exon -- -- Y Y -- -- -- -- -- -- -- 0.478925 1 rs13181 19 ERCC2 A/G/T Exon Y -- Y Y -- Benign -- -- -- -- -- 0.585468 0.999 rs238406 19 ERCC2 G/T Exon -- -- Y Y -- -- -- -- -- -- -- 0.36557 0.996 rs238417 19 ERCC2 A/C/G Intron -- -- -- -- -- -- -- -- -- -- -- 0.037099 0 rs50871 19 ERCC2 G/T Intron -- -- -- -- -- -- -- -- -- -- -- 0 0.001 rs50872 19 ERCC2 A/C/T Intron -- -- -- -- -- -- -- -- -- -- -- 0.137364 0.001 rs4150441 2 ERCC3 A/G Intron -- -- -- -- -- -- -- -- -- -- -- 0 0 rs4150448 2 ERCC3 A/G Intron -- -- -- -- -- -- -- -- -- -- -- 0 0 rs4150506 2 ERCC3 C/T Intron -- -- -- -- -- -- -- -- -- -- -- NA 0 rs1799801 16 ERCC4 C/T Exon -- -- -- -- -- -- -- -- -- -- -- 0.205381 0.326 rs2276464 16 ERCC4 A/C/G 3'-UTR -- -- -- -- -- -- -- -- -- Y Y 0 0 rs254942 16 ERCC4 A/C/G/T Intron -- -- -- -- -- -- -- -- -- -- -- 0.168034 0.005 rs1047768 13 ERCC5 C/T Exon -- -- Y Y -- -- -- -- -- -- -- 0.24405 0.914 rs2094258 13 ERCC5 A/G Promoter -- -- -- -- -- -- -- -- Y -- -- 0 0.001 rs2228959 13 ERCC5 A/C Exon -- -- -- -- -- -- -- -- -- -- -- 0.181402 0.509 rs2296147 13 ERCC5 C/T Promo-ter -- -- -- -- -- -- -- -- Y -- -- 0.175993 0 rs4150291 13 ERCC5 A/T Intron -- -- -- -- -- -- -- -- -- -- -- 0 0 rs4150383 13 ERCC5 A/G Intron -- -- -- -- -- -- -- -- -- -- -- 0 0 rs751402 13 ERCC5 C/T Promo-ter -- -- Y Y -- -- -- -- Y -- -- 0.25613 0 rs873601 13 ERCC5 A/G Exon -- -- Y Y -- -- -- -- -- Y Y 0 0.005 rs10817938 9 XPA C/T Promoter -- -- -- Y -- -- -- -- -- -- -- NA 0.94 rs2808668 9 XPA C/G/T Intron -- -- -- -- -- -- -- -- -- -- -- 0 0.004 rs3176629 9 XPA C/T Promoter -- -- -- -- -- -- -- -- Y -- -- 0 0 rs1870134 3 XPC C/G/T Exon Y -- -- Y -- -- -- -- -- -- -- 0.272801 0 rs2228000 3 XPC C/T Exon Y -- -- -- -- -- -- -- -- -- -- 0.136701 0 rs2228001 3 XPC A/C Exon Y -- -- -- -- -- -- -- -- -- -- 0.189938 1 rs2470352 3 XPC A/G/T Exon -- -- -- -- -- -- -- -- -- -- -- 0 0 rs2607775 3 XPC C/G Exon -- -- -- Y -- -- -- -- Y -- -- 0.282058 0
Table 2 Association between nucleotide excision repair polymorphisms and colorectal cancer risk in the validation stage1 , n (%)
SNP genotype NCBI Ref CRC CON P valueOR (95%CI) DDB2 rs2029298 n = 849n = 849GG 32 (37.2) 393 (46.3) 385 (45.3) 1 (Ref) GA 38 (44.2) 359 (42.3) 368 (43.3) 0.650 0.95 (0.78-1.17) AA 16 (18.6) 97 (11.4) 96 (11.3) 0.919 0.98 (0.72-1.35) GA + AA vs GG 0.677 0.96 (0.79-1.16) AA vs GA + GG 0.980 1.00 (0.74-1.36) P HWE 0.584 0.570 ERCC1 rs11615 n = 850n = 847CC 54 (62.8) 518 (60.9) 494 (58.3) 1 (Ref) CT 24 (27.9) 293 (34.5) 305 (36.0) 0.355 0.91 (0.74-1.11) TT 8 (9.3) 39 (4.6) 48 (5.7) 0.248 0.77 (0.50-1.20) CT + TT vs CC 0.244 0.89 (0.73-1.08) TT vs CT + CC 0.321 0.80 (0.52-1.24) P HWE 0.200 0.919 rs735482 n = 836n = 838CC 18 (20.9) 169 (20.2) 168 (20.0) 1 (Ref) CA 40 (46.5) 405 (48.4) 403 (48.1) 0.966 1.00 (0.77-1.28) AA 28 (32.6) 262 (31.3) 267 (31.9) 0.856 0.98 (0.74-1.28) CA + AA vs CC 0.920 0.99 (0.78-1.26) AA vs CA + CC 0.812 0.98 (0.79-1.20) P HWE 0.752 0.477 ERCC2 rs1052555 n = 852n = 851CC NA 767 (90.0) 759 (89.2) 1 (Ref) CT NA 84 (9.9) 91 (10.7) 0.605 0.92 (0.67-1.26) TT NA 1 (0.1) 1 (0.1) 0.970 0.95 (0.06-15.21) CT + TT vs CC 0.602 0.92 (0.67-1.26) TT vs CT + CC 0.971 0.95 (0.06-15.22) P HWE NA 0.307 rs50871 n = 838n = 845TT 40 (46.5) 429 (51.2) 451 (53.4) 1 (Ref) TG 36 (41.9) 337 (40.2) 358 (42.4) 0.922 0.99 (0.81-1.21) GG 10 (11.6) 72 (8.6) 36 (4.3) 0.001 2.09 (1.37-3.19) TG + GG vs TT 0.374 1.09 (0.90-1.32) GG vs TG + TT < 0.001 2.08 (1.38-3.15) P HWE 1.000 0.001 ERCC5 rs1047768 n = 839n = 845CC 8 (9.3) 75 (8.9) 71 (8.4) 1 (Ref) CT 30 (34.9) 348 (41.5) 351 (41.5) 0.735 0.94 (0.66-1.35) TT 48 (55.8) 416 (49.6) 423 (50.1) 0.708 0.94 (0.66-1.33) CT + TT vs CC 0.717 0.94 (0.67-1.32) TT vs CT + CC 0.822 0.98 (0.81-1.19) P HWE 0.480 0.880 rs2094258 n = 843n = 841GG 38 (44.2) 307 (36.4) 326 (38.8) 1 (Ref) GA 42 (48.8) 409 (48.5) 392 (46.6) 0.389 1.10 (0.89-1.35) AA 6 (7.0) 127 (15.1) 123 (14.6) 0.615 1.08 (0.80-1.45) GA + AA vs GG 0.370 1.10 (0.90-1.33) AA vs GA + GG 0.837 1.03 (0.79-1.35) P HWE 0.403 0.770 rs2228959 n = 841n = 851CC 74 (86.0) 754 (89.7) 782 (91.9) 1 (Ref) CA 12 (14.0) 83 (9.9) 62 (7.3) 0.051 1.41 (1.00-1.99) AA 0 (0.0) 4 (0.5) 7 (0.8) 0.408 0.59 (0.17-2.04) CA + AA vs CC 0.095 1.33 (0.95-1.85) AA vs CA + CC 0.383 0.58 (0.17-1.98) P HWE 1.000 < 0.001 rs2296147 n = 844n = 847TT 52 (60.5) 508 (60.2) 517 (61.0) 1 (Ref) TC 32 (37.2) 294 (34.8) 289 (34.1) 0.684 1.04 (0.85-1.28) CC 2 (2.3) 42 (5.0) 41 (4.8) 0.904 1.03 (0.66-1.61) TC + CC vs TT 0.679 1.04 (0.86-1.27) CC vs TC + TT 0.952 1.01 (0.65-1.58) P HWE 0.439 0.940 rs873601 n = 842n = 837GG 16 (18.6) 230 (27.3) 223 (26.6) 1 (Ref) GA 48 (55.8) 435 (51.7) 413 (49.3) 0.807 1.03 (0.82-1.29) AA 22 (25.6) 177 (21.0) 201 (24.0) 0.310 0.87 (0.66-1.14) GA + AA vs GG 0.849 0.98 (0.79-1.22) AA vs GA + GG 0.155 0.85 (0.67-1.07) P HWE 0.439 0.719 XPA rs10817938 n = 823n = 822TT 58 (67.4) 511 (62.1) 547 (66.5) 1(Ref) TC 24 (27.9) 259 (31.5) 241 (29.3) 0.231 1.14 (0.92-1.41) CC 4 (4.7) 53 (6.4) 34 (4.1) 0.021 1.70 (1.08-2.66) TC + CC vs TT 0.071 1.21 (0.98-1.48) CC vs TC + TT 0.033 1.62 (1.04-2.52) P HWE 0.655 0.257 rs3176629 n = 847n = 852CC 68 (79.1) 689 (81.3) 706 (82.9) 1 (Ref) CT 18 (20.9) 151 (17.8) 133 (15.6) 0.240 1.17 (0.90-1.51) TT 0 (0.0) 7 (0.8) 13 (1.5) 0.225 0.56 (0.22-1.42) CT + TT vs CC 0.399 1.11 (0.87-1.43) TT vs CT + CC 0.205 0.55 (0.22-1.39) P HWE 0.752 0.024 XPC rs2607775 n = 840n = 850CC 76 (84.5) 755 (89.9) 792 (93.2) 1(Ref) CG 12 (13.3) 80 (9.5) 56 (6.6) 0.027 1.49 (1.05-2.13) GG 2 (2.2) 5 (0.6) 2 (0.2) 0.219 2.81 (0.54-14.56) CG + GG vs CC 0.016 1.54 (1.09-2.18) GG vs CG + CC 0.238 2.69 (0.52-13.95) P HWE 0.251 0.343
Table 3 Cumulative effect of nucleotide excision repair polymorphisms associated with colorectal cancer risk1 , n (%)
Number of SNP risk genotypes CRC CON P valueOR (95%CI) n = 841n = 8470 706 (83.9) 755 (89.1) 1 (Ref) 1 131 (15.6) 92 (10.9) 0.004 1.53 (1.15-2.04) 2 4 (0.5) 0 (0.0) NA NA P trend = 0.001
Table 4 Effect of interaction between nucleotide excision repair polymorphisms and environmental factors on colorectal cancer risk1
SNP genotype Smoking Drinking Helicobacter pylori infectionNo Yes No Yes Negative Positive DDB2 rs2029298 n = 981n = 468n = 1190n = 257n = 810n = 443GA + AA Case/Control 312/220 142/104 367/274 87/49 164/286 189/44 OR (95%CI) 1 (Ref) 0.96 (0.71-1.31) 1 (Ref) 1.33 (0.90-1.95) 1 (Ref) 7.49 (5.12-10.96) GG Case/Control 267/182 124/98 330/219 61/60 140/220 158/52 OR (95%CI) 1.03 (0.80-1.34) 0.89 (0.65-1.22) 1.13 (0.89-1.42) 0.76 (0.51-1.12) 1.11 (0.83-1.48) 5.30 (3.67-7.65) P interaction = 0.618P interaction = 0.019 OR (95%CI) = 0.52 (0.30-0.90)P interaction = 0.095ERCC1 rs11615 n = 982n = 467n = 1190n = 257n = 812n = 444CT + TT Case/Control 231/160 101/88 278/205 54/40 110/210 146/42 OR (95%CI) 1 (Ref) 0.80 (0.56-1.13) 1 (Ref) 1.00 (0.64-1.56) 1 (Ref) 6.64 (4.39-10.04) CC Case/Control 349/242 165/113 421/286 93/70 194/298 203/53 OR (95%CI) 1.00 (0.77-1.30) 1.01 (0.74-1.38) 1.09 (0.86-1.37) 0.98 (0.68-1.40) 1.24 (0.93-1.67) 7.31 (5.00-10.70) P interaction = 0.309P interaction = 0.749P interaction = 0.642rs735482 n = 968n = 461n = 1171n = 256n = 803n = 434AA Case/Control 175/124 87/64 213/148 49/40 89/161 115/24 OR (95%CI) 1 (Ref) 0.96 (0.65-1.43) 1 (Ref) 0.85 (0.53-1.36) 1 (Ref) 8.67 (5.20-14.44) CA + CC Case/Control 396/273 174/136 471/339 99/68 212/341 224/71 OR (95%CI) 1.03 (0.78-1.36) 0.91 (0.66-1.25) 0.97 (0.75-1.24) 1.01 (0.70-1.47) 1.13 (0.82-1.53) 5.71 (3.94-8.28) P interaction = 0.638P interaction = 0.446P interaction = 0.082ERCC2 rs1052555 n = 986n = 468n = 1193n = 259n = 811n = 447CT + TT Case/Control 55/39 30/27 68/56 17/10 27/54 39/11 OR (95%CI) 1 (Ref) 0.79 (0.41-1.53) 1 (Ref) 1.40 (0.59-3.30) 1 (Ref) 7.09 (3.15-15.99) CC Case/Control 527/365 236/175 632/437 131/101 277/453 312/85 OR (95%CI) 1.02 (0.67-1.58) 0.96 (0.61-1.51) 1.19 (0.82-1.73) 1.07 (0.69-1.66) 1.22 (0.75-1.99) 7.34 (4.36-12.35) P interaction = 0.624P interaction = 0.319P interaction = 0.712ERCC5 rs1047768 n = 973n = 464n = 1177n = 258n = 808n = 437CT + TT Case/Control 524/368 236/190 622/452 138/103 272/460 317/88 OR (95%CI) 1 (Ref) 0.87 (0.69-1.10) 1 (Ref) 0.97 (0.73-1.29) 1 (Ref) 6.09 (4.61-8.06) CC Case/Control 49/32 26/12 66/37 9/8 29/47 26/6 OR (95%CI) 1.08 (0.68-1.71) 1.52 (0.76-3.06) 1.30 (0.85-1.97) 0.82 (0.31-2.14) 1.04 (0.64-1.70) 7.33 (2.98-18.03) P interaction = 0.241P interaction = 0.491P interaction = 0.843rs2094258 n = 973n = 464n = 1180n = 255n = 805n = 443GG Case/Control 209/150 97/70 251/180 55/40 119/203 116/38 OR (95%CI) 1 (Ref) 1.00 (0.69-1.44) 1 (Ref) 0.99 (0.63-1.55) 1 (Ref) 5.21 (3.39-8.01) GA + AA Case/Control 364/250 169/128 442/307 91/69 181/302 233/56 OR (95%CI) 1.05 (0.80-1.36) 0.95 (0.69-1.29) 1.03 (0.81-1.31) 0.95 (0.66-1.37) 1.02 (0.76-1.37) 7.10 (4.91-10.27) P interaction = 0.587P interaction = 0.685P interaction = 0.314rs2296147 n = 979n = 466n = 1185n = 258n = 807n = 440TT Case/Control 356/251 151/126 426/301 81/75 184/298 207/59 OR (95%CI) 1 (Ref) 0.85 (0.64-1.13) 1 (Ref) 0.76 (0.54-1.08) 1 (Ref) 5.68 (4.03-8.01) TC+CC Case/Control 221/151 112/77 268/190 65/37 118/207 138/36 OR (95%CI) 1.03 (0.79-1.34) 1.03 (0.74-1.43) 1.00 (0.79-1.26) 1.24 (0.81-1.91) 0.92 (0.69-1.24) 6.21 (4.12-9.36) P interaction = 0.506P interaction = 0.089P interaction = 0.562rs873601 n = 974n = 462n = 1179n = 255n = 798n = 439AA Case/Control 130/94 47/51 148/116 29/28 69/126 75/25 OR (95%CI) 1 (Ref) 0.67 (0.41-1.07) 1 (Ref) 0.81 (0.46-1.44) 1 (Ref) 5.48 (3.19-9.40) GA + GG Case/Control 446/304 215/149 543/372 118/80 234/369 269/70 OR (95%CI) 1.06 (0.78-1.44) 1.04 (0.74-1.46) 1.14 (0.87-1.51) 1.16 (0.80-1.68) 1.16 (0.83-1.62) 7.02 (4.73-10.41) P interaction = 0.202P interaction = 0.550P interaction = 0.764XPA rs10817938 n = 952n = 453n = 1152n = 252n = 785n = 429TC + TT Case/Control 527/380 239/183 631/459 135/103 281/470 311/88 OR (95%CI) 1 (Ref) 0.94 (0.75-1.19) 1 (Ref) 0.95 (0.72-1.27) 1 (Ref) 5.91 (4.47-7.81) CC Case/Control 33/12 20/11 45/17 8/6 14/20 25/5 OR (95%CI) 1.98 (1.01-3.89) 1.31 (0.62-2.77) 1.93 (1.09-3.41) 0.97 (0.33-2.81) 1.17 (0.58-2.36) 8.36 (3.17-22.09) P interaction = 0.516P interaction = 0.299P interaction = 0.738XPC rs2607775 n = 979n = 463n = 1184n = 256n = 809n = 439CC Case/Control 513/369 238/195 617/458 134/103 273/475 314/88 OR (95%CI) 1 (Ref) 0.88 (0.70-1.11) 1 (Ref) 0.97 (0.73-1.28) 1 (Ref) 6.21 (4.70-8.21) CG + GG Case/Control 61/36 24/6 73/36 12/7 28/33 30/7 OR (95%CI) 1.22 (0.79-1.88) 2.88 (1.16-7.11) 1.51 (0.99-2.28) 1.27 (0.50-3.26) 1.48 (0.87-2.50) 7.46 (3.23-17.21) P interaction =0.066P interaction =0.728P interaction =0.766
Table 5 Association between host factors and the overall survival of colorectal cancer patients
Factor CRC patients Death MST (M) P valueTotal n = 565n = 95Gender 0.862 Male 384 63 46.61 Female 181 32 47.11 Age (yr) 0.127 ≤ 60 322 46 47.91 > 60 243 49 44.71 Smoking 0.111 Ever Smoker 180 23 48.71 Never Smoker 383 72 45.91 Drinking 0.157 Drinker 107 14 49.31 Non-drinker 456 81 46.11 TNM stage < 0.001 I + II 336 23 52.11 III + IV 223 69 48 Macroscopic type < 0.001 Protrude type 104 5 53.41 Ulcerative/Invasive type 458 90 45.21 Histological type < 0.001 High/Middle differentiation 367 40 50.21 Low differentiation 196 55 39.31 Depth of invasion < 0.001 T1 + T2 114 6 53.41 T3 + T4 450 89 44.91 Growth mode < 0.001 Nest 236 18 52.11 Invasion 326 77 42.61 Lymphatic metastasis < 0.001 Positive 217 68 47 Negative 342 24 52.01
Table 6 Association between nucleotide excision repair polymorphisms and colorectal cancer prognosis
SNP genotype CRC patients Death MST (M) Univariate Multivariate P valueHR (95%CI) P valueHR (95%CI) DDB2 rs2029298 n = 560n = 94GG 262 50 44.41 1(Ref) 1 (Ref) GA 230 35 47.41 0.368 0.82 (0.53-1.26) 0.393 0.82 (0.53-1.29) AA 68 9 48.61 0.265 0.67 (0.33-1.36) 0.467 0.77 (0.37-1.57) GA + AA vs GG 0.235 0.78 (0.52-1.17) 0.307 0.81 (0.53-1.22) AA vs GA + GG 0.370 0.73 (0.37-1.45) 0.581 0.82 (0.41-1.65) ERCC1 rs11615 n = 561n = 95CC 345 62 46.41 1 (Ref) 1 (Ref) CT 188 29 47.21 0.647 0.90 (0.58-1.40) 0.947 1.02 (0.65-1.59) TT 28 4 45.81 0.955 0.97 (0.35-2.67) 0.975 0.98 (0.35-2.76) CT + TT vs CC 0.662 0.91 (0.60-1.39) 0.974 0.99 (0.65-1.53) TT vs CT + CC 0.999 1.00 (0.37-2.73) 0.911 0.94 (0.34-2.60) rs735482 n = 552n = 91CC 123 23 46.81 1 (Ref) 1 (Ref) CA 258 38 47.31 0.982 0.99 (0.59-1.67) 0.582 1.16 (0.69-1.96) AA 171 30 45.51 0.603 1.16 (0.67-1.99) 0.774 0.92 (0.53-1.61) CA + AA vs CC 0.829 1.05 (0.66-1.69) 0.923 1.02 (0.64-1.65) AA vs CA + CC 0.517 1.16 (0.75-1.79) 0.521 0.86 (0.55-1.35) ERCC2 rs1052555 n = 563n = 95CC 506 86 46.61 1 (Ref) 1 (Ref) CT 56 8 48.31 0.377 0.72 (0.35-1.49) 0.998 1.00 (0.48-2.09) TT 1 1 2 < 0.001 49.73 (6.37-388.47) 0.010 14.99 (1.90-118.10) CT + TT vs CC 0.551 0.81 (0.41-1.61) 0.744 1.12 (0.56-2.26) TT vs CT + CC < 0.001 55.22 (7.07-431.35) 0.009 15.89 (2.02-125.16) rs50871 n = 551n = 92TT 294 43 47.01 1 (Ref) 1 (Ref) TG 210 40 45.71 0.256 1.28 (0.83-1.98) 0.446 1.19 (0.77-1.84) GG 47 9 45.81 0.541 1.25 (0.61-2.57) 0.576 0.80 (0.37-1.74) TG + GG vs TT 0.239 1.28 (0.85-1.93) 0.646 1.10 (0.73-1.68) GG vs TG + TT 0.749 1.12 (0.56-2.23) 0.354 0.71 (0.34-1.47) ERCC5 rs1047768 n = 553n = 92CC 55 9 46.71 1 (Ref) 1 (Ref) CT 233 44 46.51 0.785 1.11 (0.54-2.26) 0.945 0.97 (0.45-2.09) TT 265 39 47.01 0.933 1.03 (0.50-2.13) 0.542 0.78 (0.36-1.72) CT + TT vs CC 0.851 1.07 (0.54-2.13) 0.768 0.90 (0.43-1.87) TT vs CT + CC 0.799 0.95 (0.63-1.43) 0.387 0.83 (0.54-1.27) rs2094258 n = 555n = 93GG 207 38 46.61 1 (Ref) 1 (Ref) GA 269 42 47.01 0.721 0.92 (0.60-1.43) 0.400 0.82 (0.53-1.29) AA 79 13 44.31 0.973 0.99 (0.53-1.86) 0.588 0.84 (0.44-1.59) GA + AA vs GG 0.773 0.94 (0.62-1.42) 0.424 0.84 (0.55-1.29) AA vs GA + GG 0.869 1.05 (0.59-1.89) 0.916 1.03 (0.57-1.87) rs2228959 n = 558n = 93CC 501 82 47.11 1 (Ref) 1 (Ref) CA 53 9 45.41 0.768 1.11 (0.56-2.21) 0.811 0.92 (0.46-1.85) AA 4 2 13.81 0.006 7.18 (1.75-29.50) 0.046 4.32 (1.03-18.17) CA + AA vs CC 0.402 1.31 (0.70-2.46) 0.847 1.07 (0.56-2.02) AA vs CA + CC 0.006 7.16 (1.75-29.32) 0.049 4.20 (1.00-17.60) rs2296147 n = 556n = 92TT 318 46 47.41 1 (Ref) 1 (Ref) TC 207 42 45.41 0.384 1.21 (0.79-1.83) 0.194 1.32 (0.87-2.02) CC 31 4 48.11 0.691 0.81 (0.29-2.26) 0.658 1.32 (0.38-4.57) TC + CC vs TT 0.484 1.16 (0.77-1.74) 0.184 1.33 (0.87-2.02) CC vs TC + TT 0.573 0.75 (0.28-2.04) 0.978 1.02 (0.31-3.32) rs873601 n = 558n = 95GG 140 21 47.51 1 (Ref) 1 (Ref) GA 301 49 46.91 0.745 1.09 (0.65-1.82) 0.923 0.98 (0.58-1.64) AA 117 25 44.51 0.293 1.37 (0.76-2.44) 0.713 1.12 (0.62-2.03) GA + AA vs GG 0.526 1.17 (0.72-1.90) 0.951 1.02 (0.62-1.66) AA vs GA + GG 0.275 1.29 (0.82-2.04) 0.473 1.19 (0.74-1.90) XPA rs10817938 n = 545n = 93TT 351 61 46.61 1 (Ref) 1 (Ref) TC 163 29 46.21 0.815 1.05 (0.68-1.64) 0.472 1.18 (0.75-1.88) CC 31 3 49.51 0.429 0.63 (0.20-2.00) 0.903 0.93 (0.29-3.02) TC + CC vs TT 0.968 0.99 (0.65-1.52) 0.489 1.17 (0.75-1.83) CC vs TC+TT 0.414 0.62 (0.20-1.96) 0.863 0.90 (0.28-2.89) rs3176629 n = 558n = 94CC 450 74 47.01 1 (Ref) 1 (Ref) CT 103 19 44.81 0.470 1.20 (0.73-1.99) 0.420 0.81 (0.48-1.36) TT 5 1 49.31 0.824 0.80 (0.11-5.76) 0.660 0.64 (0.09-4.64) CT + TT vs CC 0.521 1.18 (0.72-1.93) 0.375 0.79 (0.47-1.33) TT vs CT + CC 0.787 0.76 (0.11-5.47) 0.690 0.67 (0.09-4.82) XPC rs2607775 n = 556n = 92CC 494 84 46.81 1 (Ref) 1 (Ref) CG 57 8 46.31 0.739 0.88 (0.43-1.83) 0.842 0.93 (0.44-1.94) GG 5 0 NA 0.525 NA 0.969 NA CG + GG vs CC 0.555 0.80 (0.39-1.66) 0.604 0.82 (0.40-1.72) GG vs CG + CC 0.528 NA 0.970 NA