Variables |  | PCSK9 expression | n | χ2 value | p value | |
---|---|---|---|---|---|---|
Low | High | |||||
Age (years) | Â | Â | Â | Â | 0.054 | 0.81 |
 ≤ 55 | 8 | 8 | 16 |  |  | |
 > 55 | 6 | 5 | 11 |  |  | |
Sex | Â | Â | Â | Â | 1.192 | 0.27 |
Female | 9 | 10 | 19 | Â | Â | |
Male | 5 | 2 | 7 | Â | Â | |
Grade | Â | Â | Â | Â | 4.338 | 0.037 * |
I/II | 13 | 7 | 20 | Â | Â | |
III | 1 | 5 | 6 | Â | Â | |
N stage | Â | Â | Â | Â | 0.074 | 0.78 |
N0 | 5 | 4 | 9 | Â | Â | |
N1/N2 | 9 | 9 | 18 | Â | Â | |
TNM stage | Â | Â | Â | Â | 0.074 | 0.78 |
Ι/II | 5 | 4 | 9 |  |  | |
III | 9 | 9 | 18 | Â | Â | |
Tumor size (cm) |  |  |  |  | 0.326 | 0.56 |
 ≤ 4 | 8 | 6 | 14 |  |  | |
 > 4 | 6 | 7 | 13 |  |  |