Parameter | Relapse | P valuea | DOD | P valuea | |||
---|---|---|---|---|---|---|---|
+ | - | + | - | ||||
Age | |||||||
 | ≤45 | 2 | 50 | 0.720 | 2 | 51 | 0.417 |
 | >45 | 2 | 35 | 1 | 35 | ||
Tumor width | |||||||
 | ≤20 mm | 0 | 69 | <0.001 | 0 | 69 | 0.003 |
 | >20 mm | 4 | 16 | 3 | 17 | ||
Histology | |||||||
 | SCC | 3 | 72 | 0.586 | 2 | 73 | 0.421 |
 | AD and ASC | 1 | 13 | 1 | 13 | ||
Grade | |||||||
 | 1 | 1 | 29 | 0.725 | 1 | 29 | 0.901 |
 | 2 + 3 | 3 | 56 | 2 | 57 | ||
Stromal invasion depth | |||||||
 | ≤5 mm | 0 | 66 | <0.001 | 0 | 66 | 0.004 |
 | >5 mm | 4 | 19 | 3 | 20 | ||
LVSI | |||||||
 | + | 2 | 20 | 0.335 | 1 | 21 | 0.851 |
 | - | 2 | 65 | 2 | 65 | ||
Section margin | |||||||
 | + | 1 | 2 | 0.095 | 1 | 2 | 0.079 |
 | - | 3 | 83 | 2 | 84 | ||
LNM | |||||||
 | + | 2 | 4 | 0.001 | 1 | 5 | 0.027 |
 | - | 0 | 70 | 0 | 70 | ||
Adjuvant therapy | |||||||
 | Observation | 1 | 47 | Reference | 1 | 47 | Reference |
 | RT | 3 | 33 | 0.135 | 2 | 34 | 0.420 |
 | CT | 3 | 23 | 0.086 | 2 | 24 | 0.294 |