Table 3 Sensitivities and specificities of end tidal capnography
From: Diagnostic value of end tidal capnography in patients with hyperglycemia in the emergency department
Criterion | Sensitivity | 95 % CI | Specificity | 95 % CI | +LR | 95 % CI | -LR | 95 % CI |
|---|---|---|---|---|---|---|---|---|
≤21 | 57.14 | 34–78.2 | 100.00 | 92.9–100.0 | 0.00 | 0.43 | 0.3–0.7 | |
≤23 | 57.14 | 34–78.2 | 98.00 | 89.4–99.9 | 28.57 | 4.0–206.0 | 0.44 | 0.3–0.7 |
≤25 | 57.14 | 34–78.2 | 96.00 | 86.3–99.5 | 14.29 | 3.5–58.4 | 0.45 | 0.3–0.7 |
≤26 | 71.43 | 47.8–88.7 | 96.00 | 86.3–99.5 | 17.86 | 4.5–71.3 | 0.30 | 0.2–0.8 |
≤27 | 85.71 | 63.7–97.0 | 90.00 | 78.2–96.7 | 8.57 | 3.7–20.0 | 0.16 | 0.06–0.5 |
≤28 | 90.48 | 69.9–98.8 | 88.00 | 75.7–95.5 | 7.54 | 3.5–16.2 | 0.11 | 0.03–0.4 |
≤31 | 90.48 | 69.9–98.8 | 86.00 | 73.3–94.2 | 6.46 | 3.2–13.0 | 0.11 | 0.03–0.4 |
≤32 | 90.48 | 69.9–98.8 | 84.00 | 70.9–92.8 | 5.65 | 3.0–10.8 | 0.11 | 0.03–0.4 |
≤33 | 90.48 | 69.9–98.8 | 80.00 | 66.3–90.0 | 4.52 | 2.6–8.00 | 0.12 | 0.03–0.4 |
≤34 | 90.48 | 69.9–98.8 | 74.00 | 59.7–85.4 | 3.48 | 2.1–5.7 | 0.13 | 0.03–0.5 |
≤35 | 100.00 | 83.9–100 | 68.00 | 53.3–80.5 | 56.8 | 2.1–4.7 | 0.00 |