Factors | Â | AFAP1-AS1 expression | P value* | |
---|---|---|---|---|
 |  | Higher (n = 45) | Lower (n = 45) |  |
Age | <60 | 25 | 20 | 0.292 |
 | ≥60 | 20 | 25 |  |
Sex | Male | 29 | 28 | 0.827 |
 | Female | 16 | 17 |  |
Differentiation | Well | 15 | 18 | 0.598 |
 | Moderate | 17 | 18 |  |
 | Poor | 13 | 9 |  |
UICC stage | pI | 13 | 11 | 0.634 |
 | pII | 32 | 34 |  |
T stage | T1 | 6 | 9 | 0.355 |
 | T2 | 18 | 13 |  |
 | T3 | 21 | 13 |  |
N stage | N0 | 10 | 27 | 0.001 |
 | N1 | 35 | 18 |  |
Perineural invasion | Negative | 18 | 29 | 0.020 |
 | Positive | 27 | 16 |  |