NEWS-2 score for risk of in-hospital deterioration
Calculator
When to use
Respiratory rate, breaths per minute
≤ 8
9-11
12-20
21-24
≥ 25
SpO₂, %
No hypercapnia, SpO₂ ≤ 91% on room air or supplemental oxygen)
No hypercapnia, SpO₂ 92-93% on room air or supplemental oxygen)
No hypercapnia, SpO₂ 94-95% on room air or supplemental oxygen)
No hypercapnia, SpO₂ ≥ 96% on room air or supplemental oxygen)
Hypercapnic respiratory failure, SpO₂ ≤ 83%
Hypercapnic respiratory failure, SpO₂ 84-85%
Hypercapnic respiratory failure, SpO₂ 86-87%
Hypercapnic respiratory failure, SpO₂ 88-92% with/without supplemental oxygen) or ≥ 93% on room air
Hypercapnic respiratory failure, SpO₂ 93-94% on supplemental oxygen
Hypercapnic respiratory failure, SpO₂ 95-96% on supplemental oxygen
Hypercapnic respiratory failure, SpO₂ ≥ 97% on supplemental oxygen
Room air or oxygen
Supplemental oxygen
Room air
Temperature
≤ 35.0 degrees C [95 degrees F]
35.1-36.0 degrees C [95.1-96.8 degrees F]
36.1-38.0 degrees C [96.9-100.4 degrees F]
38.1-39.0 degrees C [100.5-102.2 degrees F]
≥ 39.1 degrees C [102.3 degrees F]
Systolic blood pressure, mmHg
≤ 90
91-100
101-110
111-219
≥ 220
Pulse, beats per minute
≤ 40
41-50
51-90
91-110
111-130
≥ 131
Consciousness
Alert
Confusion, responds to voice, responds to pain or unresponsive
Calculation
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