1Biometric Research Branch, National Cancer Center, Goyang, Korea
2Lung Cancer Branch, National Cancer Center, Goyang, Korea
3Department of Radiobiology and Molecular Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan
4Translational Epidemiology Research Branch and Department of Laboratory Medicine, National Cancer Center, Goyang, Korea
5Radiation Medicine Branch, National Cancer Center, Goyang, Korea
6Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
7Hematologic Malignancy Branch and Department of Laboratory Medicine, National Cancer Center, Goyang, Korea
8Molecular Epidemiology Branch, National Cancer Center, Goyang, Korea
9Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
10Center for Proton Therapy, Research Institute and Hospital, National Cancer Center, Goyang, Korea
Copyright © 2016 by the Korean Cancer Association
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No. of risk alleles |
No. (%) |
Crude |
Age-adjusted |
|||
---|---|---|---|---|---|---|
Case | Control | OR (95% CI) | p-value | OR (95% CI) | p-value | |
0 | 20 (4.18) | 89 (9.65) | 1 | < 0.0001a) | 1 | < 0.0001a) |
1 | 104 (21.76) | 258 (27.98) | 1.79 (1.05-3.07) | 0.0326 | 2.02 (1.16-3.51) | 0.0128 |
2 | 191 (39.96) | 341 (36.98) | 2.49 (1.49-4.18) | 0.0005 | 2.78 (1.63-4.74) | 0.0002 |
3 | 137 (28.66) | 197 (21.37) | 3.10 (1.82-5.27) | < 0.0001 | 3.62 (2.09-6.28) | < 0.0001 |
4 | 26 (5.44) | 37 (4.01) | 3.13 (1.56-6.28) | 0.0014 | 3.75 (1.82-7.72) | 0.0003 |
Phenotype | Normal control (n=922) | Cervical cancer case (n=478) | p-value |
---|---|---|---|
Age, median (range, yr) | 48 (21-70) | 56 (23-92) | < 0.0001 |
Age (yr) | |||
≤ 40 | 245 (26.6) | 80 (16.7) | < 0.0001 |
> 40 | 677 (73.4) | 398 (83.3) | |
Smoking status | |||
Present smoker | 53 (5.8) | 50 (10.5) | < 0.0001 |
Ex-smoker | 19 (2.1) | 40 (8.4) | |
Non-smoker | 787 (85.4) | 387 (81.0) | |
Unknown | 63 (6.8) | 1 (0.2) | |
Histology | |||
Squamous cell carcinoma | - | 402 (84.1) | - |
Adenocarcinomas | - | 61 (12.8) | |
Unknown | - | 15 (3.1) | |
Cervix stage | |||
6 (IIB), 7 (IIIA), 8 (IIIB), 9 (IVA), 10 (IVB), III | - | 298 (62.3) | - |
1 (IA1), 2 (IA2), 3 (IB1), 4 (IB2), 5 (IIA), I | - | 162 (33.9) | |
Unknown | - | 18 (3.8) | |
HPV 18 type | |||
Yes | - | 44 (9.2) | - |
No | - | 329 (68.8) | |
Unknown | - | 105 (22.0) |
RS No. (gene) | Genotype | No. |
Chi-square |
Additive |
Dominant |
Recessive |
|||||
---|---|---|---|---|---|---|---|---|---|---|---|
Case | Control | OR | p-value | OR | p-value | OR | p-value | OR | p-value | ||
rs454421 | G/G | 107 | 293 | 1 | 0.0006 | 1 | 0.0027 | 1 | 0.0001 | 1 | 0.3648 |
(ERCC2) | G/A | 265 | 434 | 1.712 | 1.286 | 1.684 | 1.000 | ||||
A/A | 106 | 195 | 1.619 | 1.653 | 1.684 | 1.137 | |||||
rs17655 | G/G | 101 | 276 | 1 | 0.0001 | 1 | < 0.0001 | 1 | 0.0002 | 1 | 0.0010 |
(ERCC5) | C/G | 230 | 437 | 1.508 | 1.416 | 1.671 | 1.000 | ||||
C/C | 147 | 209 | 2.013 | 2.005 | 1.671 | 1.539 |
No. of risk alleles | No. (%) |
Crude |
Age-adjusted |
|||
---|---|---|---|---|---|---|
Case | Control | OR (95% CI) | p-value | OR (95% CI) | p-value | |
0 | 20 (4.18) | 89 (9.65) | 1 | < 0.0001 |
1 | < 0.0001 |
1 | 104 (21.76) | 258 (27.98) | 1.79 (1.05-3.07) | 0.0326 | 2.02 (1.16-3.51) | 0.0128 |
2 | 191 (39.96) | 341 (36.98) | 2.49 (1.49-4.18) | 0.0005 | 2.78 (1.63-4.74) | 0.0002 |
3 | 137 (28.66) | 197 (21.37) | 3.10 (1.82-5.27) | < 0.0001 | 3.62 (2.09-6.28) | < 0.0001 |
4 | 26 (5.44) | 37 (4.01) | 3.13 (1.56-6.28) | 0.0014 | 3.75 (1.82-7.72) | 0.0003 |
Values are presented as number (%). HPV, human papillomavirus.
These are based on Pearson’s chi-square test and linear trend tests for additive, dominant and recessive genetic models after adjusting for age. OR, odds ratio.
OR, odds ratio; CI, confidence interval. p for trend.