Variables | E2F1 expression | Spearman | χ2 test | |||||
---|---|---|---|---|---|---|---|---|
 |  | −/+ | ++ | +++ | R | P | χ2 | P |
Age | <55 | 7 | 11 | 19 | 0.103 | 0.334 | 1.069 | 0.586 |
≥55 | 8 | 12 | 33 | |||||
Gender | Male | 9 | 20 | 39 | 0.038 | 0.725 | 3.193 | 0.166 |
Female | 6 | 3 | 13 | |||||
Smoking | Non-smoker | 4 | 3 | 14 | 0.068 | 0.518 | 1.829 | 0.411 |
Smoker | 11 | 20 | 38 | |||||
Tumor size | <4Â cm | 9 | 12 | 35 | 0.105 | 0.325 | 1.592 | 0.451 |
≥4 cm | 6 | 11 | 17 | |||||
Clinical stage | LD* | 13 | 10 | 7 | 0.552 | < 0.01 | 29.506 | <0.01 |
ED* | 2 | 13 | 45 |