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Table 1 Expression of claudin-2 and claudin-5 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From: RETRACTED ARTICLE: Differences in the expression profiles of claudin proteins in human nasopharyngeal carcinoma compared with non-neoplastic mucosa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-2 (high) claudin-2 (low) P n claudin-5 (high) claudin-5 (low) P
Nasopharyngeal carcinoma tissue 70 17 53 < 0.01 70 21 49 < 0.01
Mucosae 70 32 38   70 42 28  
Age (years)         
≤60 37 10 27 0.896* 37 9 28 0.364*
> 60 33 7 26   33 12 21  
Histological grade         
Well-differentiated 31 9 22 0.472* 31 10 21 1.000*
Moderately and poorly differentiated 39 8 31   39 11 28  
Lymph node metastasis         
21 6 15 0.792* 21 4 17 < 0.05
49 11 38   49 17 32  
Ki67         
+ 22 5 17 1.000* 22 6 16 1.000*
48 12 36   48 15 33  
Clinical stage         
I~II 27 7 20 0.364* 27 5 22 < 0.01
III~IV 43 10 33   43 16 27  
  1. *No statistical significance was found with the Chi-square test/Chi-Square Goodness-of-Fit Test