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Table 1 Demographics and clinical characteristics of patients transported by HEMS to major trauma centres in NSW, stratified by 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 N 507 200
Age (Median, IQR; 95% CI) [N missing; % 1 ] 32 (19, 49; 9–70) [0; 0%] 34 (22, 54.5; 13–82) [0; 0%]
ISS (Median, IQR; 95% CI) [N missing; % 1 ] 12 (5, 20; 1–38) [41; 8.1%] 21 (10, 26; 2–41) [36; 18.0%]
LOS (Median, IQR; 95% CI) [N missing; % 1 ] 6.5 (2, 18; 1–67) [5; 1%] 14 (5, 26; 1–75) [1; 0%]
Male (N; % 2 [N missing; % 1 ] 367 (72.4%) [0; 0%] 157 (78.9%) [1; 0.5%]
Mechanism of Injury (N % 1 )  
Animal 25 (4.9%) 6 (3.0%)
Burns 9 (1.8%) 6 (3.0%)
Drowning or submersion 8 (1.6%) 3 (1.5%)
Fall 80 (15.8%) 55 (27.5%)
Industrial accident or machinery 8 (1.6%) 3 (1.5%)
Motor bike accident 143 (28.2%) 31 (15.5%)
Motor vehicle accident 148 (29.2%) 38 (19%)
Pedal cyclist 10 (2.0%) 7 (3.5%)
Pedestrian 23 (4.5%) 9 (4.5%)
Sport 11 (2.2%) 4 (2.0%)
Violence 20 (3.9%) 26 (13.0%)
Other 18 (3.6%) 12 (6.0%)
Missing 4 (0.8%) 0 (0%)
ICU (N, % 1 ) [N missing; % 1 ] 154 (30.4%) [0; 0%] 127 (63.5%) [0; 0%]
OR (N, % 2 [N missing; % 1 ] 304 (63.6%) [29; 5.7%] 119 (61.3%) [6; 3%]
Head Injury (N % 2 ) [N missing; % 1 ] 13 (2.8%) [41; 8.1%] 28 (17.0%) [36; 18%]
Polytrauma (N % 1 ; % 2 )   
1 or 2 body regions 256 (50.5%; 54.9%) 77 (38.5%; 47.0%)
>2 body regions 210 (41.4%; 45.1%) 87 (43.5%; 53.0%)
Missing (N, %1) 41 (8.1%) 36 (18.0%)
Died (N, % 1 ) [N missing; % 1 ] 26 (5.1%) [0; 0%] 18 (9.0%) [0; 0%]
  1. 1 Percent of total patients.
  2. 2 Percent of total patients [minus missing].