Table 3.
Number of true positive, false positive, true negative, false-negative cases, sensitivity, specificity, accuracy and Diagnostic odds ratio for medial meniscal tears.
| Medial meniscal tears | ||||||||
|---|---|---|---|---|---|---|---|---|
| TP | FP | TN | FN | Sensitivitya | Specificitya | Accuracya | DOR (p) | |
| Joint line tenderness | 14 | 14 | 16 | 6 | 70% (49.9 - 90) |
53.3% (35.5–71.2) |
60% (46.42 -73.58) |
2.6667 (0.1078) |
| McMurray's test | 16 | 8 | 22 | 4 | 80% (62.5–97.7) |
73.3% (57.5–89.2) |
76% (64.16–87.84) |
11.2000 (0.0006) |
| Apley's test | 13 | 9 | 21 | 7 | 65% (44.1–85.9) |
70% (53.6–86.4) |
68% (55.07–80.93) |
4.3333 (0.0172) |
| Thessaly test | 14 | 7 | 23 | 6 | 70% (49.9–90.1) |
76.7% (61.5–91.8) |
74% (61.84–86.16) |
7.6667 (0.0018) |
| Composite test | 17 | 8 | 22 | 3 | 85% (69.4 - 100) |
73.3% (57.5–89.2) |
78.0% (66.52–89.48) |
15.5833 (0.0003) |
| MRI scans | 18 | 5 | 25 | 2 | 90% (76.9 - 100) |
83.3% (70–96.7) |
86% (76.83–95.62) |
45.000 (<0.0001) |
a
95% confidence interval.