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Table 6 Factors related to the various locations of SCCOCs

From: Regional metastasis to anatomies beyond traditional neck dissection boundaries: a multi-institutional analysis focused on unconventional metastases in oral cancer patients

Value A Value B P values
Buccal mucosa Unconventional metastatic subsites < 0.001
Tongue Unconventional metastatic subsites 0.024
Number of metastatic lymph nodes 0.002
Floor of mouth None*  
Upper gingiva Histories of smoking or alcohol 0.013
Unconventional metastatic subsites 0.007
ENE in UMLNs 0.029
ENE in cervical lymph nodes 0.025
Retromolar trigone Unconventional metastatic subsites 0.018
Lip Unconventional metastatic subsites 0.002
Gender 0.013
Hard palate None*  
Lower gingiva None*  
  1. *All the factors were proved no significance (P > 0.05)