Early warning score.ti.ab Vital sign.ti.ab Physiolog$ score.ti.ab Bedside measure$.tia.ab National early warning score.tia.ab Modified early warning score.ti.ab Scottish early warning score.ti.ab Physiological warning score.ti.ab OR/1-8 Mortal$.ti.ab Morbid$.ti.ab Complicat$.ti.ab Adverse event.ti.ab Length of stay.ti.ab Ward transfer.ti.ab High-dependency.ti.ab Critical care.ti.ab OR/10-17 In-patient.ti.ab Inpatient.ti.ab Hospital.ti.ab Acute.ti.ab OR/19-22 AND/9,18,23 Deduplicate