Table 5

NEWS receiver operating curve (ROC) characteristics for combined endpoint (ICU and/or mortality)

NEWS ≥SensitivitySpecificityPositive predictive valueNegative predictive valueYouden's index
01.0000.0000.1880.000
10.9950.0070.1880.8570.002
20.9790.0540.1930.9170.033
30.9600.1100.2000.9230.070
40.9360.1990.2130.9310.135
50.8880.2990.2270.9210.188
60.8160.4270.2480.9100.244
70.7230.5430.2680.8950.267
80.6170.6660.2990.8830.283
90.5240.7740.3490.8760.298
100.4310.8480.3950.8660.278
110.3220.9040.4370.8520.226
120.2500.9500.5370.8460.200
130.1840.9710.5950.8370.155
140.1060.9860.6350.8270.092
150.0610.9950.7420.8210.056
160.0290.9980.7330.8160.027
170.0160.9980.6670.8140.014
180.0080.9990.6000.8130.007
190.0051.0001.0000.8130.005
200.0031.0001.0000.8130.003
  • ICU, intensive care unit; NEWS, national early warning score.