Variables | GG genotype (%) | GA genotype (%) | AA genotype (%) | G allele frequency | A allele frequency | p value | |||||||||
Gender | |||||||||||||||
Males | 50 (40.3) | 35 (28.2) | 39 (31.5) | 0.54 | 0.46 | 0.26 | |||||||||
Females | 20 (55.6) | 8 (22.2) | 8 (22.2) | 0.67 | 0.33 |
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Age at diagnosis (years) | |||||||||||||||
≤45 Y | 16 (50.0) | 7 (21.9) | 9 (28.1) | 0.61 | 0.39 | 0.68 | |||||||||
>45 Y | 54 (42.2) | 36 (28.1) | 38 (29.7) | 0.56 | 0.44 |
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Histological type | |||||||||||||||
Squamous cell carcinoma | 27 (34.2) | 22 (27.8) | 30 (38.0) | 0.48 | 0.52 | 0.02 | |||||||||
Adenocarcinoma | 43 (53.1) | 21 (25.9) | 17 (21.0) | 0.66 | 0.34 |
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TNM stage | |||||||||||||||
Early stage (I & II) | 34 (56.6) | 13 (21.7) | 13 (21.7) | 0.68 | 0.33 | 0.03 | |||||||||
Advanced stage (III & IV) | 36 (36.0) | 30 (30.0) | 34 (34.0) | 0.51 | 0.49 |
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Distant metastases | |||||||||||||||
Positive | 15 (35.7) | 10 (23.8) | 17 (40.5) | 0.48 | 0.52 | 0.14 | |||||||||
Negative | 55 (46.6) | 33 (28.0) | 30 (25.4) | 0.61 | 0.39 |
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Squamous cell carcinoma grades | |||||||||||||||
Grade 1 | 17 (39.5) | 11 (25.6) | 15 (34.9) | 0.52 | 0.48 | 0.15 | |||||||||
Grade 2 | 7 (31.8) | 9 (40.9) | 6 (27.3) | 0.52 | 0.48 |
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Grade 3 | 3 (21.4) | 2 (14.3) | 9 (64.3) | 0.29 | 0.71 |
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Adenocarcinoma grades | |||||||||||||||
Grade 1 | 11 (78.6) | 1 (7.1) | 2 (14.3) | 0.82 | 0.18 | 0.18 | |||||||||
Grade 2 | 12 (54.5) | 7 (31.8) | 3 (13.6) | 0.70 | 0.30 |
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Grade 3 | 20 (44.4) | 13 (28.9) | 12 (26.7) | 0.59 | 0.41 |
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Family history of any cancer | |||||||||||||||
Yes | 13 (68.4) | 3 (15.8) | 3 (15.8) | 0.76 | 0.24 | 0.05 | |||||||||
No | 57 (40.4) | 40 (28.4) | 44 (31.2) | 0.55 | 0.45 |
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