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Table 2 Clinicopathological data, recurrence data and outcome data from 30 OSCC patients (N = 136 samples, validation set)

From: A gene signature in histologically normal surgical margins is predictive of oral carcinoma recurrence

Variables N (%)
Age (years)  
Median (range) 67 (48-81)
Gender  
Male 21 (70)
Female 9 (30)
Tobacco use  
Yes 25 (83)
No 5 (17)
Alcohol use  
Yes 21 (70)
No 9 (30)
Tumor site  
Tongue 18 (50)
Floor of mouth 8 (27)
Tongue + Floor of mouth 3 (10)
Buccal mucosa 2 (7)
Alveolar 1 (3)
Retromolar 1 (3)
T category  
T1-T2 14 (47)
T3-T4 16 (53)
Nodal status  
Negative (N0) 24 (80)
Positive (N1, N2b, N2c) 6 (20)
Tumor stage  
I, II 13 (43)
III, IV 17 (57)
Tumor grade  
Moderately differentiated 23 (77)
Poorly differentiated 7 (23)
Recurrence  
Yes 7 (23)
No 23 (77)
Time to recurrence  
Median (range) 8 (2-36)
Follow-up  
Median (range) 21 (1-81)
Outcome  
Alive with no evidence of disease 23 (77)
Alive with disease 4 (13)
Dead of disease 2 (7)
Dead of other causes 1 (3)