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Table 2 Case identification rates, transport rates to Paediatric Trauma Centres (PTCs), time intervals, treating teams and transport modes between Period A and Period B

From: Physician staffed helicopter emergency medical service case identification - a before and after study in children

  Period A (n = 71) Period B (n = 126) P value
Identified for physician team response (n, %) 44 (62.0) 39 (31.0) <0.001
Proportion of fatal cases identified for physician team response (proportion, %) 16/16 (100) 14/30 (46.7) <0.001
Direct transport to PTC (n, %) 47 (66.2) 67 (53.2) 0.076
Definitive care at PTC (n, %) 61 (85.9) 100 (79.4) 0.253
Median (IQR) time from injury to final hospital arrival, minutes 67 (50–97) 82 (51–250) 0.034
Median (IQR) time from injury to PTC arrival for all patients, minutes
• Paramedic patients
• Physician patients
69 (52–104)
78 (60–291)
61 (50–80)
97 (56–305)
156 (69–341)
67 (54–91)
0.003
0.770
1.000
Treating team (n, %)    <0.001
 Road paramedic
CareFlight P-HEMS
 GSA HEMS
31 (43.7)
36 (50.7)
4 (5.6)
91 (72.2)
27 (21.4)
8 (6.3)
Mode of transport to first hospital (n, %)    
 Road ambulance
 Helicopter
44 (62.0)
27 (38.0)
103 (81.7)
23 (18.3)
0.002
  1. IQR interquartile range, P-HEMS Physician Staffed Helicopter Emergency Medical Service, GSA-HEMS Greater Sydney Area Helicopter Emergency Medical Service