Table 3 Range of Specificity and Sensitivity at different Criterion for Turnitin based on Our Results
Criterion | Sensitivity | 95% CI | Specificity | 95% CI |
|---|---|---|---|---|
≥ 0 | 100.00 | 97.2–100.0 | 0.00 | 0.0–2.0 |
> 0 | 100.00 | 97.2–100.0 | 8.29 | 4.7–13.3 |
> 1 | 98.45 | 94.5–99.8 | 22.10 | 16.3–28.9 |
> 2 | 96.90 | 92.3–99.1 | 32.04 | 25.3–39.4 |
> 3 | 93.02 | 87.2–96.8 | 43.65 | 36.3–51.2 |
> 4 | 90.70 | 84.3–95.1 | 53.04 | 45.5–60.5 |
> 5 | 86.82 | 79.7–92.1 | 62.98 | 55.5–70.0 |
> 6 | 81.40 | 73.6–87.7 | 72.38 | 65.3–78.7 |
> 7 | 69.77 | 61.1–77.5 | 77.90 | 71.1–83.7 |
> 8 | 63.57 | 54.6–71.9 | 82.87 | 76.6–88.1 |
> 9 | 55.04 | 46.0–63.8 | 86.74 | 80.9–91.3 |
> 10 | 47.29 | 38.4–56.3 | 89.50 | 84.1–93.6 |
> 11 | 38.76 | 30.3–47.7 | 91.16 | 86.0–94.9 |
> 12 | 38.76 | 30.3–47.7 | 94.48 | 90.1–97.3 |
> 13 | 34.11 | 26.0–43.0 | 95.58 | 91.5–98.1 |
> 14 | 30.23 | 22.5–38.9 | 96.69 | 92.9–98.8 |
> 15 | 27.91 | 20.4–36.5 | 97.24 | 93.7–99.1 |
> 16 | 27.91 | 20.4–36.5 | 98.34 | 95.2–99.7 |
> 17 | 26.36 | 19.0–34.8 | 98.90 | 96.1–99.9 |
> 18 | 23.26 | 16.3–31.5 | 99.45 | 97.0–100.0 |