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Table 2 Expression of claudin −8 and claudin −9 and the clinicopathological characteristics in nasopharyngeal carcinoma patients

From: RETRACTED ARTICLE: Differences in the expression profiles of claudin proteins in human nasopharyngeal carcinoma compared with non-neoplastic mucosa

Item n claudin-8 (high) claudin-8 (low) P n claudin-9 (high) claudin-9 (low) P
Nasopharyngeal carcinoma tissue 70 37 53 < 0.01 70 20 50 1.000*
Mucosae 70 15 55   70 22 48  
Age (years)         
≤60 37 21 16 0.846* 37 11 26 1.000*
> 60 33 16 17   33 9 24  
Histological grade         
Well-differentiated 31 22 10 1.000* 31 9 22 0.736*
Moderately and poorly differentiated 39 45 23   39 11 28  
Lymph node metastasis         
21 16 5 < 0.01 21 8 13 1.000*
49 21 28   49 12 37  
Ki67         
+ 22 9 13 0.472* 22 9 13 0.486*
48 28 20   48 11 37  
Clinical stage         
I~II 27 14 13 1.000* 27 6 21 0.162*
III~IV 43 23 20   43 14 29  
  1. *No statistical significance was found with the Chi-square test/Chi-Square Goodness-of-Fit Test