Table 4 Prognostic factors for disease specific survival in patients with primary parotid squamous cell carcinoma
Univariate analysis | Cox model | ||
|---|---|---|---|
Log rank test | HR[95%CI] | p | |
Age (< 67 vs ≥67) | 0.845 | ||
Sex (Male vs female) | 0.416 | ||
Tumor stage (T1 + T2 vs T3 + T4) | 0.031 | 2.645[0.745–13.241] | 0.144 |
Node stage (N0 vs N+) | 0.154 | ||
Disease stage (I + II vs III + IV) | 0.007 | 5.956[1.875–17.324] | < 0.001 |
Surgery (TP vs SP)a | 0.362 | ||
Perineural invasion | 0.019 | 2.113[1.278–7.645] | 0.004 |
Lymphovascular invasion | 0.225 | ||
Intraparotid node metastasis | 0.411 | ||
Margin status | 0.632 | ||
Adjuvant radiotherapy | 0.522 | ||
Adjuvant chemotherapy | 0.146 | ||
Extracapsular spread | 0.287 | ||