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Univariate analysis outcomes.
| Factors | 5-year OS | p value |
|---|---|---|
| Tumour stage | ||
| IA1-IIB | 89.2% | 0.001 |
| IIIA-IVA | 35.1% | |
|
| ||
| Histological type | ||
| SCC | 95.7% | 0.002 |
| Non-SCC | 56.2% | |
|
| ||
| PLNM | ||
| Yes | 39.2% | 0.001 |
| No | 93.4% | |
|
| ||
| Differentiation | ||
| Well differentiated | 75.1% | 0.710 |
| Moderately | 71.4% | |
| Poorly | 68.2 | |
|
| ||
| Surgical margin status | ||
| Positive | 41.2% | 0.001 |
| Negative | 90.9% | |
OS = overall survival, SCC = squamous cell carcinoma, PLNM = pelvic lymph node metastasis.
