You are viewing the site in preview mode

Skip to main content

Advertisement

Table 2 Association among experience-related variables in the 21 radiologists routinely interpreting mammograms (univariate analysis)

From: Association between Radiologists' Experience and Accuracy in Interpreting Screening Mammograms

  P Sens. Sensitivity P Spec. Specificity Mean AUC Mean AUC90
Annual volume of mammogram Reading 0.193   0.170    
   More than 5,000 mammograms   0.85   0.67 91.66 72.13
   Less than 5,000 mammograms   0.83   0.65 83.56 44.45
Feedback 0.239   0.213    
   Yes   0.85   0.66 85.71 50.76
   No   0.81   0.64 80.66 34.98
Percentage of time spent on breast radiology 0.019   <.0001    
   Less than 25%   0.78   0.70 82.36 36.96
   More than 25%   0.86   0.65 85.27 49.72
Years of practice reading mammograms 0.116   0.166    
   Less than 10 years   0.88   0.65 85.60 47.45
   More than 10 years   0.82   0.67 84.49 48.83
Do the radiologist usually consult with other radiologists when reading? 0.036   <.0001    
   Yes   0.83   0.67 84.47 48.11
   No   0.90   0.62 87.18 50.18
Radiologist' age 0.007   <.0001    
   More than 45   0.81   0.68 84.06 48.87
   Less than 45   0.90   0.58 87.96 47.34
  1. P Sens., P. Spec. = Chi-square of the score test for Type 3 GEE analysis. Mean AUC = Mean area under the empirical receiver operating characteristic curve. Mean AUC90 = Mean area under the ROC curve con una specificity fixed at 90% of the empirical receiver operating characteristic curve.