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Table 2 Correlation between PTK6 expression and clinicopathologic characteristics in NPC cases

From: Protein tyrosine kinase 6 is associated with nasopharyngeal carcinoma poor prognosis and metastasis

Characteristics PTK6 expression P-value
  Low (n = 65) (%) High (n = 113) (%)  
Age (years)    
 ≤46 39 (60.0) 60 (53.1)  
 >46 26 (40.0) 53 (46.9) 0.434
Sex    
 Female 14 (21.5) 31 (27.4)  
 Male 51 (78.5) 82 (72.6) 0.474
Tumor size    
 T1+T2 33 (50.8) 25 (22.1)  
 T3+T4 32 (49.2) 88 (77.9) <0.001*
Lymphoid nodal states    
 N0-1 34 (52.3) 58 (51.3)  
 N2-3 31 (47.7) 55 (48.7) 1.000
Clinical stage    
 I+II 22 (33.8) 11 (9.7)  
 III+IV 43 (66.2) 102 (90.3) <0.001*
Local-regional relapse    
 Yes 6 (9.2) 17 (15.0)  
 No 59 (90.8) 96 (85.0) 0.355
Metastasis    
 Yes 6 (9.2) 27 (23.9)  
 No 59 (90.8) 86 (76.1) 0.016*
WHO histological classification    
 NKUC 62 (95.4) 107 (95.6)  
 NKDC 3 (4.6) 6 (4.5) 0.748
  1. *Statistically significant difference.
  2. Abbreviations NPC nasopharyngeal carcinoma, PTK6 protein tyrosine kinase 6, WHO World Health Organization, NKU C non-keratinizing undifferentiated carcinoma, NKDC non-keratinizing differentiated carcinoma.