Table 4.
Univariate and multivariate analysis for the factors affected to the overall survival
| Factors | vs | Univariate1 (Log-rank P) |
Multivariate2
|
||
|
Hazard ratio
|
95%CI
|
P
value
|
|||
| Age | < 0.0001 | 1.092 | 1.064-1.120 | < 0.0001 | |
| Sex | Male:Female | 0.0009 | 1.815 | 1.099-2.998 | 0.0199 |
| Location | 0.0978 | ||||
| Circumference | 0.301 | ||||
| Macroscopic type | Elevated:Depressed | < 0.0001 | 1.678 | 1.131-2.490 | 0.0101 |
| Clinical T status | 0.632 | ||||
| Pathological type | Diff.:Undiff. | 0.0001 | |||
| Long axis (mm) | < 00001 | 0.9815 | 0.965-0.998 | 0.0287 | |
| Pathological N status | 0.0033 | 1.785 | 1.288-2.473 | 0.0005 | |
| SNNS | SNNS:Control | 0.0014 | 0.4892 | 0.298-0.802 | 0.0046 |
1
The log-rank test was used for the univariate analysis of overall survival.
2
The Cox proportional hazards regression model was used for multivariate analysis of overall survival.
SNNS: Sentinel node navigation surgery; diff.: Differentiated; Undiff.: Undifferentiated; CI: Confidential interval.