Table 3

Predictive value of scores

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

PPV: positive predictive value

NPV: negative predictive value

Challen et al. BMC Health Services Research 2007 7:33   doi:10.1186/1472-6963-7-33