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Table 11.10Comparison of the Canadian and NEXUS cervical spine rules (Updated 2007)

StrategyProportion of patients receiving testCost of testing (£) per patient
X-rayCTX-rayCTTotal
Canadian58.2%22.8%11.0517.5328.58
NEXUS87.4%34.2%16.6026.3142.91
Increment14.33

From: 11, Economic evaluation

Cover of Head Injury
Head Injury: Triage, Assessment, Investigation and Early Management of Head Injury in Infants, Children and Adults.
NICE Clinical Guidelines, No. 56.
National Collaborating Centre for Acute Care (UK).
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