Table 3 Network performance on outcome measures. Kellgren & Lawrence grades are displayed separately and merged
Cases (n = 300) | Sensitivity (%) | Specificity (%) | Youden’s J | AUC (95% CI) | |
|---|---|---|---|---|---|
Kellgren-Lawrence | |||||
0 | 67 | 97 | 88 | 0.85 | 0.97 (0.93 to 0.99) |
1 | 23 | 96 | 75 | 0.70 | 0.88 (0.83 to 0.92) |
2 | 24 | 92 | 61 | 0.53 | 0.80 (0.73 to 0.86) |
3 | 116 | 92 | 71 | 0.63 | 0.87 (0.83 to 0.90) |
4 | 70 | 84 | 78 | 0.63 | 0.87 (0.83 to 0.91) |
Grouped Kellgren-Lawrence | |||||
0 to 1 | 90 | 88 | 95 | 0.83 | 0.96 (0.94 to 0.98) |
0 to 2 | 114 | 83 | 97 | 0.81 | 0.97 (0.95 to 0.98) |
1 to 3 | 163 | 80 | 74 | 0.53 | 0.82 (0.77 to 0.87) |
2 to 4 | 210 | 97 | 83 | 0.80 | 0.96 (0.94 to 0.98) |
3 to 4 | 186 | 96 | 88 | 0.84 | 0.97 (0.95 to 0.99) |