Table 3

NEWS receiver operating characteristic (ROC) curve for severe sepsis and septic shock (SS)

NEWS
Sensitivity %
(95% CI)
Specificity %
(95% CI)
PPV %
(95% CI)
NPV %
(95% CI)
1100.0(84.5 to 100)38.5(34.1 to 43.0)8.5(5.7 to 12.2)100.0(97.4 to 100)
292.6(74.2 to 98.7)63.0(58.4 to 67.3)12.5(8.4 to 18.0)99.3(97.3 to 99.8)
392.6(74.2 to 98.7)77.0(72.8 to 80.6)18.7(12.7 to 26.5)99.5(97.8 to 99.9)
474.1(53.4 to 88.1)86.5(82.9 to 89.3)23.8(15.4 to 34.5)98.3(96.4 to 99.2)
563.0(42.4 to 80.0)89.6(86.4 to 92.1)25.8(16.1 to 38.2)97.7(95.6 to 98.8)
651.9(32.3 to 70.8)93.2(90.4 to 95.2)30.4(18.2 to 45.9)97.1(95.0 to 98.4)
733.3(17.2 to 54.0)96.2(93.9 to 97.6)33.3(17.2 to 54.0)96.2(93.9 to 97.7)
825.9(11.8 to 46.5)97.5(95.4 to 98.6)36.8(17.2 to 61.4)95.8(93.5 to 97.3)
914.8(4.8 to 34.6)98.7(97.1 to 99.4)40.0(13.7 to 72.6)95.3(92.9 to 96.9)
103.7(0.2 to 20.8)99.8(98.6 to 99.9)50.0(2.7 to 97.3)94.8(92.3 to 96.4)
113.7(0.2 to 20.8)100.0(98.9 to 100)100.0(5.4 to 100)94.8(92.3 to 96.5)
  • NEWS, National Early Warning Score; NPV, negative predictive value; PPV, positive predictive value.