Open Access
Original Research Article

Table II

Univariate Analysis of Variables Associated With Survival Outcomes of Patients With Tongue Squamous Cell Carcinoma With Cervical Nodal Necrosis (CNN) (CNN Group) or Without CNN (Non-CNN Group) on Preoperative MRI.

FEATURES NO. OF PTS OS P DFS P
CNN + 80 36 0.008 27 0.013
CNN − 64 46   39  
T     0.194   0.048
T1 8 6   5  
T2 52 45   38  
T3 74 52   48  
T4 10 6   4  
N     0.04   0.01
N1 91 75   64  
N2 43 21   14  
N3 10 5   4  
DOI     0.005   0.006
>7mm 99 62   58  
<7mm 45 41   39  
ENE+ 54 21 0.009 18 0.012
ENE- 90 70   52  

(CNN: Cervical node necrosis; T: Tumour stage; N: nodal stage; DOI: Depth of invasion; ENE: extranodal extension).

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