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Table 6 Welch two samples t-test for comparison of mean area fraction (AF) of p53 and mdm-2 immunopositivity in primary versus recurrent MEC:

From: Image cytometric analysis of p53 and mdm-2 expression in primary and recurrent mucoepidermoid carcinoma of parotid gland: immunohistochemical study

Welch Two Sample t-test (P53)
Dependent Variable MEC Mean AF 95% Confidence Interval t df P value
    Lower Bound Upper Bound    
P53 Mean Area Fraction Primary MEC 23.12033 4.042945 9.200222 5.1179 72.87 0.00001
  Recurrent MEC 18.23875      
Welch Two Sample t-test (Mdm-2)
Dependent Variable MEC Mean AF 95% Confidence Interval t df P value
    Lower Bound Upper Bound    
Mdm-2 Mean Area Fraction Primary MEC 40.89893 6.800357 11.822500 7.5658 30.697 0.00001
  Recurrent MEC 34.14750      
  1. * The mean difference is significant at the 0.05 level