NUH EWS bandMandated Escalation% of observations in each bandMedian no (range)Sensitivity for death within 24 hoursSpecificity for death within 24 hours
0Nil53.8939 (1–101)100.000.00
1–2Nurse35.0526 (4–90)92.3954.06
3Nurse/doctor5.463 (0–30)70.5688.50
4–5Doctor4.312 (0–18)58.3894.20
6 or moreRegistrar1.280 (0–19)38.0798.75
  • NUH, Nottingham University Hospital.