The inclusion of delirium in version 2 of the National Early Warning Score will substantially increase the alerts for escalating levels of care: findings from a retrospective database study of emergency medical admissions in two hospitals

Downey, 2017, Strengths and limitations of early warning scores: A systematic review and narrative synthesis, Int J Nurs Stud, 76, 106, 10.1016/j.ijnurstu.2017.09.003

Smith, 2014, Early warning system scores for clinical deterioration in hospitalized patients: A systematic review, Ann Am Thorac Soc, 11, 1454, 10.1513/AnnalsATS.201403-102OC

Smith, 2010, In-hospital cardiac arrest: Is it time for an in-hospital ‘chain of prevention’?, Resuscitation, 81, 1209, 10.1016/j.resuscitation.2010.04.017

2012

McGinley, 2012, A national early warning score for acutely ill patients, BMJ, 345, 5310, 10.1136/bmj.e5310

Smith, 2008, Review and performance evaluation of aggregate weighted ‘track and trigger’ systems, Resuscitation, 77, 170, 10.1016/j.resuscitation.2007.12.004

2017

2017, NHS England approves use of National Early Warning Score (NEWS) 2 to improve detection of acutely ill patients

Royal College of Physicians, 2017

Clark, 2018

Hodgson, 2018, NEWS 2 – too little evidence to implement?, Clin Med, 18, 371, 10.7861/clinmedicine.18-5-371

Siddiqi, 2006, Occurrence and outcome of delirium in medical inpatients: a systematic literature review, Age and Ageing, 35, 350, 10.1093/ageing/afl005

Ryan, 2013, Delirium in an adult acute hospital population: predictors, prevalence and detection, BMJ Open, 3, 001772, 10.1136/bmjopen-2012-001772

Mok, 2015, Vital signs monitoring to detect patient deterioration: An integrative literature review, Int J Nurs Pract, 21, 91, 10.1111/ijn.12329

Johnson, 2001, Assessing confused patients, J Neurol Neurosurg Psychiatry, 71, 7

Aird, 2004, Nursing tools and strategies to assess cognition and confusion, Br J Nurs, 13, 621, 10.12968/bjon.2004.13.10.13055

Pimentel, 2019, A comparison of the ability of the National Early Warning Score and the National Early Warning Score 2 to identify patients at risk of in-hospital mortality: a multi-centre database study, Resuscitation, 134, 147, 10.1016/j.resuscitation.2018.09.026

2010

Collier, 2012, Hospital-induced delirium hits hard, Can Med Assoc J, 184, 23, 10.1503/cmaj.109-4069