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Table 1 SALL3 gene methylation status in primary samples of HNSCC

From: Epigenetic silencing of SALL3 is an independent predictor of poor survival in head and neck cancer

Patient and tumor characteristics (n = 236) Methylation  
Present (n = 153) Absent (n = 83) P value
Agea
 70 and older (82) 56 26 0.475
 Under 70 (154) 97 57
Sexa
 Male (198) 126 72 0.460
 Female (38) 27 11
Smoking statusa
 Smoker (174) 116 58 1
 Nonsmoker (62) 37 25
Alcohol intakea
 Ever (172) 112 60 1
 Never (64) 41 23
Tumor sizea
 T1-2 (109) 71 38 1
 T3-4 (127) 82 45
Lympho-node statusa
 N0 (102) 67 35 0.891
 N+ (134) 86 48
Stagea
 I, II, III (105) 68 37 1
 IV (131) 85 46
HPV status
 Positive (29) 18 11 1
 Negative (199) 130 69
 Indeterminate (8)    
  1. aFisher’s exact probability test