TABLE 3

Performance of the Different PEWS for ICU Admission and for Admission to the Hospital

PEWSCutoff LevelHigh-Risk Patients Low-Risk Patients Sensitivity, % (95% CI)Specificity, % (95% CI)Positive Likelihood Ratio, Ratio (95% CI)Negative Likelihood Ratio, Ratio (95% CI)Area Under ROC Curve, AUC (95% CI)
No.%No.%
IC admission
 Monaghan71641535.8 11 528 64.2 79.8 75.3–83.7 65.2 64.5–65.9 2.3 2.2–2.4 0.31 0.25–0.38 0.79 0.76–0.81
 Akre et al816073 33.8 11 870 66.2 77.9 73.3–81.9 67.1 66.4–67.8 2.4 2.2–2.5 0.33 0.27–0.40 0.78 0.76–0.81
 Skaletzky et al914417 24.6 13526 75.4 73.4 68.6–77.8 76.4 75.8–77.0 3.1 2.9–3.3 0.35 0.29–0.41 0.79 0.76–0.82
 Duncan et al1035083 27.4 12 860 72.6 78.3 73.7–82.3 72.7 72.1–73.4 2.9 2.7–3.0 0.30 0.25–0.36 0.82 0.79–0.84
 Parshuram et al113515228.712 791 71.3 78.3 73.7–82.3 72.3 71.7–73.0 2.8 2.7–3.0 0.30 0.25–0.36 0.82 0.79–0.85
 Egdell et al417182 40.0 10 761 60.0 78.4 73.8–82.4 60.8 60.0–61.5 2.0 1.9–2.1 0.36 0.29–0.43 0.77 0.74–0.80
 Tibballs et al12NA5447 30.4 12 496 69.6 73.5 68.7–77.8 70.6 69.9–71.2 2.5 2.3–2.7 0.38 0.32–0.44 0.72 0.69–0.75
 Edwards et al13NA13 497 75.2 4446 24.8 94.4 91.4–96.4 25.2 24.5–25.8 1.3 1.2–1.3 0.22 0.15–0.34 0.60 0.57–0.62
 Haines et al14NA4695 26.1 13 248 73.8 75.6 70.9–79.8 74.9 74.2–75.5 3.0 2.8–3.2 0.33 0.27–0.39 0.75 0.72–0.78
 Brilli et al15NA2557 14.3 15 384 85.7 61.3 56.1–66.2 86.7 86.2–87.2 4.6 4.2–5.1 0.45 0.39–0.51 0.74 0.71–0.77
Admission to the hospital
 Monaghan716415 35.8 11 528 64.2 57.7 56.0–59.4 69.0 68.3–69.8 1.9 1.8–1.9 0.61 0.59–0.64 0.65 0.64–0.66
 Akre et al816073 33.8 11 870 66.2 55.6 53.9–57.4 70.9 70.1–71.6 1.9 1.8–2.0 0.63 0.60–0.65 0.65 0.64–0.66
 Skaletzky et al914417 24.6 13 526 75.4 47.4 45.7–49.2 80.3 79.7–81.0 2.4 2.3–2.5 0.65 0.63–0.68 0.65 0.64–0.66
 Duncan et al1029317 51.9 8626 48.1 70.5 69.0–72.1 52.1 51.3–52.9 1.5 1.4–1.5 0.56 0.54–0.60 0.68 0.66–0.69
 Parshuram et al1129449 52.7 8494 47.3 70.3 68.7–71.9 51.2 50.4–52.0 1.4 1.4–1.5 0.58 0.55–0.61 0.68 0.66–0.69
 Egdell et al417182 40.0 10 761 60.0 58.7 57.0–60.4 64.0 63.2–64.8 1.6 1.6–1.7 0.64 0.62–0.67 0.64 0.63–0.65
 Tibballs et al12NA5447 30.4 12 496 69.6 49.9 48.1–51.6 73.9 73.2–74.6 1.9 1.8–2.0 0.68 0.66–0.70 0.62 0.61–0.63
 Edwards et al13NA13 497 75.2 4446 24.8 85.7 84.5–86.9 27.1 26.4–27.8 1.2 1.2–1.2 0.53 0.48–0.57 0.56 0.55–0.58
 Haines et al14NA4695 26.1 13 248 73.8 52.3 50.5–54.0 79.5 78.8–80.1 2.5 2.4–2.7 0.60 0.58–0.62 0.66 0.65–0.67
 Brilli et al15NA2557 14.3 15 384 85.7 36.4 34.7–38.1 90.5 90.0–91.0 3.9 3.6–4.1 0.70 0.68–0.72 0.63 0.62–0.65
  • NA, not applicable.