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Table 3 Predictive value of scores

From: Physiological-social score (PMEWS) vs. CURB-65 to triage pandemic influenza: a comparative validation study using community-acquired pneumonia as a proxy

  Score Sensitivity Specificity PPV NPV
Outcome: admission CURB-65 ≥ 2 65 93 95 56
  CURB-65 ≥ 3 40 100 100 44
  PMEWS>1 98 55 82 95
  PMEWS>2 93 71 87 84
  PMEWS>3 86 87 93 75
  PMEWS>4 76 94 96 65
  PMEWS>5 64 98 99 56
  PMEWS>7 40 100 100 44
  PMEWS>9 21 100 100 37
  PMEWS>11 8 100 100 34
Outcome: HDU/ITU admission CURB-65 ≥ 3 50 70 34 81
  PMEWS>3 97 32 30 97
  PMEWS>4 91 45 34 94
  PMEWS>5 88 64 43 95
  PMEWS>6 76 74 47 91
  PMEWS>7 64 86 59 89
  PMEWS>9 29 95 67 81
  PMEWS>11 8 98 60 78
  1. PPV: positive predictive value
  2. NPV: negative predictive value