Marjon Borgert

41 Standardized measurement of the Modified Early Warning Score Supplementary File 1 The Modi ed Early Warning Score (MEWS). MEWS score 3 2 1 0 1 2 3 Heart rate <40 40-50 51-100 101-110 111-130 >130 Systolic blood pressure <70 70-80 81-100 101-200 >200 Respiratory rate <9 9-14 15-20 21-30 >30 Temperature <35.1 35.1-36.5 36.6-37.5 >37.5 AVPU score A (Alert) V (response to Voice) P (reacting to Pain) U (Unres- ponsive) Worried about patient’s condition: 1 point Urine production below 75 mL during previous 4 hours: 1 point Saturation below 90% despite adequate oxygen therapy: 3 points Upon reaching 3 or more points → call resident in charge The MEWS instrument was implemented as a tool that ward sta can use to identify the patient at risk of deterioration. The described method was adapted from Subbe et al. 11