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Table 3 Mean/total actual cost of treatment, peer group average cost and discrepancy between actual cost and peer group average cost, stratified by severity of injury (ISS≤12) and type of transport performed

From: Helicopter Emergency Medical Services (HEMS) over-triage and the financial implications for major trauma centres in NSW, Australia

  Pre-hospital   Inter-hospital  
  Total Difference (%) Total Difference (%)
All patients     
Mean cost (95% CI) $25,162 ($929 - $102,918)   $42,604 ($1,115 - $166,784)  
Mean peer group average cost (95% CI) $23,318 ($1,957 - $109,832) $2,532 (−10.1%) $40,579 ($2,219 - $109,831) $2,875 (−6.7%)
Total cost $12,329,618   $8,265,152  
Total peer group average cost $11,169,124 $1,197,550 (−9.7%) $7,750,526 $546,276 (−6.6%)
ISS ≤12     
Mean cost (95% CI) $8,549 ($802 - $27,716)   $18,564 ($850 - $46,592)  
Mean peer group average cost (95% CI) $7,450 ($1,626 - $19,138) $1,230 (−14.4%) $12,683 ($1,539 - $44,490) $5,881 (−31.7%)
Total cost $1,966,196   $853,947  
Total peer group average cost $1,676,169 $271,818 (−13.8%) $583,435 $270,512 (−31.7%)
ISS >12     
Mean cost (95% CI) $36,622 ($1,284 - $150,941)   $51,676 ($1,115 - $186,238)  
Mean peer group average cost (95% CI) $36,603 ($3,827 - $109,832) $1,316 (−3.6%) $50,595 ($4,460 - $109,832) $2,803 (−5.4%)
Total cost $8,056,861   $5,839,397  
Total peer group average cost $7,833,132 $278,993 (−3.5%) $5,565,468 $305,579 (−5.2%)