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Table 4 Assessment of the benign or malignant nature of the lesion

From: Neither MRI, CT nor US is superior to diagnose tumors in the salivary glands – an extended case study

Radiological assessment Histology Sensitivity Specificity Accuracy
  benign malignant total    
Ultrasound*       
Benign 71 13 84 88% 54% 79%
Malignant 10 15 25    
Total 81 28 109    
CT*       
Benign 31 3 34 91% 57% 85%
Malignant 3 4 7    
Total 34 7 41    
Ultrasound and CT       
Benign 30 3 33 88% 57% 83%
Malignant 4 4 8    
Total 34 7 41    
MRI*       
Benign 49 11 60 98% 52% 84%
Malignant 1 12 13    
Total 50 23 73    
Ultrasound and MRI       
Benign 43 11 54 86% 52% 75%
Malignant 7 12 19    
Total 50 23 73    
  1. * Chi-square analysis: MRI versus Ultrasound χ2 = 0.335; p = ns; CT versus Ultrasound χ2 = 0.831; p = ns