Table 2. Performance characteristics of trainees and experts.
Characteristics | Trainees | Experts | Overall | P value |
---|---|---|---|---|
Accuracy (%) | 64.8 (58.5, 70.7) | 79.6 (74.1, 84.4) | 72.2 (68.1, 76.1) | <0.001 |
Specificity (%) | 59.0 (51.6, 66.0) | 79.5 (73.0, 85.0) | 69.2 (64.3, 73.8) | <0.001 |
Sensitivity (%) | 83.3 (71.5, 91.7) | 80.0 (67.7, 89.2) | 81.7 (73.6, 86.1) | 0.34 |
Kappa | 0.30 (0.21, 0.40) | 0.51 (0.40, 0.63) | 0.40 (0.32, 0.48) | 0.006 |