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Table 4 Performances of different cut-off points of the PCP score

From: Validation of the Pneumocystis pneumonia score in haematology patients with acute respiratory failure

Pneumocystis score Sensitivity 95% CI Specificity 95% CI LR+ LR-
≥ − 5 100.00 75.3–100.0 0.00 0.0–2.8 1.00  
> − 2 100.00 75.3–100.0 12.50 7.3–19.5 1.14 0.00
> − 1.5 92.31 64.0–99.8 16.41 10.5–24.0 1.10 0.47
> − 1 92.31 64.0–99.8 17.97 11.7–25.7 1.13 0.43
> − 0.5 76.92 46.2–95.0 21.87 15.1–30.0 0.98 1.05
> 0 69.23 38.6–90.9 22.66 15.7–30.9 0.90 1.36
> 0.5 61.54 31.6–86.1 29.69 21.9–38.4 0.88 1.30
> 2 64.54 31.6–86.1 52.34 43.3–61.2 1.29 0.73
> 2.5 53.85 25.1–80.8 66.41 57.5–74.5 1.60 0.70
> 3 38.46 13.9–68.4 70.31 61.6–78.1 1.30 0.88
> 3.5 30.77 9.1–61.4 73.44 64.9–80.9 1.16 0.94
> 4 23.08 5.0–53.8 78.91 70.8–85.6 1.09 0.97
> 4.5 15.38 1.9–45.4 81.25 73.4–87.6 0.82 1.04
> 5 0.00 0.0–24.7 87.50 80.5–92.7 0.00 1.14
> 8.5 0.00 0.0–24.7 100.0 97.2–100.0   1.00
  1. PCP Pneumocystis pneumonia, CI confidence interval, LR likelihood ratio