National Early Warning Score (NEWS)
In the text below the calculator there is more information about the items in the score and its interpretation.
The National Early Warning Score evaluates the degree of illness in patients who are likely to suffer from decline of status and be admitted in intensive care (ICU).
NEWS is based on 5 physiological parameters, the level of consciousness status (AVPU) and presence or absence of supplemental oxygen.
Each of the items in the score is weighted differently, depending on its predictive value. The final score varies from 0 to 20.
Patients who score closer to 0 are less likely to require advanced clinical care whilst patients who score 5 or 6 points may end up being referred to ICU and require specialist attention.
Patients who score 7 or more are likely in need of urgent critical care and need to be transferred to the appropriate specialized department.
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The National Early Warning Score (NEWS) determines how severe the general status of the patient is and the likelihood of decline which in turn requires admission to intensive care unit for more specialized care.
NEWS is based on the Modified Early Warning Score (MEWS) and is based solely on physiological bedside parameters and AVPU evaluation.
The items accounted for in the score are described in the table below:
|Respiratory rate||Assesses the level of distress caused by illness to the pulmonary system and to the central nervous system areas that regulate breathing. It is counted in breaths per minute and ranges between under 8 to over 25.|
|Oxygen saturation||Levels of oxygen saturation below 91 and those above 96 become increasingly problematic and trigger need for more specialized care.|
|Body temperature||To provide patient baseline and signal infection.|
|Systolic blood pressure||Offer information on the work of the heart and on blood circulation throughout the arteries and veins.|
|AVPU||The level of consciousness assessment (Alert, react to Verbal, reacts to Pain, Unresponsive).|
This model standardizes the clinical assessment of ill patients that might require critical care intervention. The weights awarded to each item are presented below:
|National Early Warning Score (NEWS)|
|Respiration Rate||≤8||N/A||9 - 11||12 - 20||N/A||21 - 24||≥25|
|Oxygen Saturation||≤91||92 - 93||94 - 95||≥96||N/A|
|Temperature||≤35||N/A||35.1 - 36||36.1 - 38||38.1 - 39||≥39.1||N/A|
|Systolic Blood Pressure||≤90||91 - 100||101 - 110||111 - 219||N/A||≥220|
|Heart Rate||≤40||N/A||41 - 50||51 - 90||91 - 110||111 - 130||≥131|
|AVPU score||N/A||A||N/A||V, P or U|
Should also be noted that if an item scores 3 points and the final score is of 3 or 4, despite the fact that the final score indicates low chance of ICU, the patient should still be monitored, especially on the component where they scored 3 points.
Scores such as NEWS or MEWS are not addressed to admission only, like the Injury severity score or the Glasgow Coma Scale are, but they should be assessed regularly during hospital admission of patients with significant illness.
There is also a version of the score for use in pediatric patients, the PEWS, where the risk of status deterioration is assessed based on behaviour, cardiovascular and respiratory signs and urinary output.
The scoring system involves addition of points that are awarded to the items, depending on their predictive value (the patient needing intensive care unit supervision) and the severity of the condition.
In the following table, there is a summary of the association between the NEWS results, likelihood of ICU admission and further recommendations:
|NEWS||Likelihood of ICU||Recommendation|
|0 - 4||Very low||Clinical monitoring should be continued and the medical professional, usually a registered nurse will decide further if clinical care needs to be updated.|
|5, 6||Moderate||The patient should be reviewed by a medical specialist with competencies in acute illness, evaluation that may result in the referral to ICU.|
|≥7||High||Urgent critical care is need and the patient should be transferred to the appropriate specialized department for further care.|
Royal College of Physicians. National Early Warning Score (NEWS) Standardizing the assessment of acute-illness severity in the NHS. Report of a working party. London: RCP, 2012.
Smith GB, Prytherch DR, Meredith P, Schmidt PE, Featherstone PI. The ability of the National Early Warning Score (NEWS) to discriminate patients at risk of early cardiac arrest, unanticipated intensive care unit admission, and death. Resuscitation. 2013; 84(4):465-70.
1. Subbe CP, Kruger M, Rutherford P, Gemmel L. Validation of a modified Early Warning Score in medical admissions. QJM. 2001; 94(10):521-6.
2. Prytherch DR, Smith GB, Schmidt PE, Featherstone PI. ViEWS--Towards a national early warning score for detecting adult inpatient deterioration. Resuscitation. 2010; 81(8):932-7.
3. Smith GB, Prytherch DR, Meredith P, Schmidt PE, Featherstone PI. The ability of the National Early Warning Score (NEWS) to discriminate patients at risk of early cardiac arrest, unanticipated intensive care unit admission, and death. Resuscitation. 2013; 84(4):465-70.
4. McGinley A, Pearse RM. A national early warning score for acutely ill patients. BMJ. 2012; 345:e 5310.
No. Of Items: 7
Year Of Study: 2012
Published On: June 18, 2017 · 08:29 AM
Last Checked: June 18, 2017
Next Review: June 18, 2023