Table 2: Representing accuracy, sensitivity, specificity, and Fleiss’ kappa in overall assessment by the beginners.

First test Second testThird testFourth test

Sensitivity (%) (range)
83.3 (75, 100)96.3 (81.8, 100)93.2 (88.8, 100)97.5 (87.5, 100)
Specificity (%) (range)
71.6 (66.6, 91.6)84.3 (77.7, 88.8)72.7 (45.4, 81.8)86.6 (75.0, 91.6)
Accuracy (%) (range)
81 (70, 95)91 (85, 95)82 (70, 85)91 (85, 95)
Agreement (Fleiss’ kappa) 0.44 (moderate)0.82 (Almost perfect)0.52 (Substantial)0.86 (Almost perfect)