Table 3 Cut-off values, specificity, and sensitivity of the novel tests based on ROC curve analysis comparing cases with controls
From: Novel electrodiagnostic provocative techniques for the diagnosis of suspected tarsal tunnel syndrome
Criterion | Sensitivity | 95% CI | Specificity | 95% CI | +LR | 95% CI | −LR | 95% CI | |
|---|---|---|---|---|---|---|---|---|---|
Amplitude MP_EDCT | ≤ 6.2 | 39.13 | 25.1–54.6 | 91.67 | 81.6–97.2 | 4.70 | 1.88–11.70 | 0.66 | 0.52–0.85 |
Latency MP_EDCT | > 5.5 | 52.17 | 36.9–67.1 | 96.67 | 88.5–99.6 | 15.65 | 3.90–62.87 | 0.49 | 0.36–0.67 |
Amplitude LP_EDCT | ≤ 2.9 | 36.96 | 23.2–52.5 | 100.00 | 93.9–100 | 0.63 | 0.51–0.79 | ||
Latency LP_EDCT | > 6.3 | 45.65 | 30.9–61.0 | 100.00 | 93.9–100 | 0.54 | 0.42–0.71 | ||
Amplitude MP_DST | ≤ 6.6 | 47.83 | 32.9–63.1 | 80.00 | 67.7–89.2 | 2.39 | 1.33–4.31 | 0.65 | 0.48–0.88 |
Latency MP_DST | > 5.9 | 60.87 | 45.4–74.9 | 98.33 | 91.1–100 | 36.52 | 5.16–258.6 | 0.40 | 0.28–0.57 |
Amplitude LP_DST | ≤ 2.9 | 43.48 | 28.9–58.9 | 100.00 | 94.0–100 | 0.57 | 0.44–0.73 | ||
Latency LP_DST | > 6.3 | 50.00 | 34.9–65.1 | 100.00 | 94.0–100 | 0.50 | 0.37–0.67 | ||
Amplitude MP_SST | < 6 | 45.65 | 30.9–61.0 | 80% | 76.7–89.2 | 2.28 | 1.26–4.14 | 0.68 | 0.51–0.91 |
Latency MP_SST | > 5.8 | 67.39 | 52.0–80.5 | 96.67 | 88.5–99.6 | 20.22 | 5.10–80.15 | 0.34 | 0.22–0.51 |
Amplitude LP_SST | ≤ 2.86 | 52.17 | 36.9–67.1 | 100.00 | 94.0–100 | 0.48 | 0.35–0.65 | ||
Latency LP_SST | > 6.3 | 54.35 | 39.0–69.1 | 100.00 | 94.0–100. | 0.46 | 0.33–0.63 |