Table 3 Clinical test results and indices of diagnostic utility in the diagnosis of DTSI using arthroscopic findings as the reference standard
TEST | Arthroscopic diagnosis + - | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | PPV (%) (95% CI) | NPV (%) (95% CI) | LR+ (95% CI) | LR- (95% CI) | Diagnostic accuracy (%) | ||
|---|---|---|---|---|---|---|---|---|---|---|
20° SOSF-B test | + | 28 | 7 | 87.5 (70.07–95.92) | 86.79 (74.05–94.09) | 80 (62.54–90.94) | 92 (79.89–97.41) | 6.625 (3.28–13.37) | 0.14 (0.06–0.36) | 87.06 |
- | 4 | 46 | ||||||||
0° SOSF-B test | + | 27 | 7 | 84.38 (66.45–94.10) | 86.79 (74.05–94.09) | 79.41 (61.59–90.66) | 91.2 (77.81–96.33) | 6.39 (3.15–12.94) | 0.18 (0.08–0.41) | 85.88 |
- | 5 | 46 | ||||||||
MRI | + | 25 | 16 | 78.13 (59.56–90.06) | 69.81 (55.49–81.26) | 60.98 (44.54–75.38) | 84.09 (69.33–92.84) | 2.59 (1.65–4.05) | 0.31 (0.16–0.61) | 72.94 |
- | 7 | 37 | ||||||||
Palpation | + | 23 | 19 | 71.88 | 64.15 | 54.76 | 79.07 | 2.01 | 0.44 | 67.06 |
- | 9 | 34 | (53.02–85.60) | (49.75–76.51) | (38.83–69.83) | (63.52–89.42) | (1.32–3.05) | (0.25–0.78) | ||