Table 3

Workload predictions and sensitivity and specificity in predicting death within 24 hours for National Early Warning Score (NEWS) and local EWS for patients with chronic obstructive pulmonary disease

NEWS bandMandated Escalation% of observations in each bandMedian no (range)Sensitivity for death within 24 hoursSpecificity for death within 24 hours
0Nil7.965 (0–23)100.000.00
1–4Nurse59.343 (4–112)100.007.99
5–6Doctor22.216 (1–59)89.8567.47
7 or moreRegistrar10.546 (0–47)71.0789.68