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Table 2 Patient characteristics per level trauma centre

From: Differentiation in an inclusive trauma system: allocation of lower extremity fractures

  Level I Level II p value
n patients = 417 n patients = 859
Male gender (n, %) 205 (49.2%) 347 (40.4%) 0.005
Age (mean, SD) 47 (19) 51 (20) < 0.001
Multiple fractures (n, %) 67 (16.2%) 70 (8.2%) < 0.001
Bilateral fractures (n, %) 24 (5.8%) 5 (0.6%) < 0.001
Fractures per patient (mean, SD) 1.3 (0.8) 1.1 (0.5) < 0.001
ISS > 15 (n, %) 55 (13.3%) 1 (0.1%) < 0.001
HET mechanism (n, %) 136 (32.6%) 30 (3.5%) < 0.001
Out-of-hospital on site medical care delivered by MMT (n, %) 17 (4.1%) 0 (0%) < 0.001
Emergency admission on day of trauma (n,% of admittances) 169 (70.1%) 88 (37.6%) < 0.001
Patients requiring admission for treatment (n, %)1 241 (61.2%) 234 (29.2%) < 0.001
Direct transfer to OR and ICU (n, %) 33 (7.9%) 0 (0%) < 0.001
Length of first hospital stay in days (mean, SD) 13.4 (18.9) 3.1 (4.5) < 0.001
First hospital stay > 1 week (n, % of admittances) 126 (52.3%) 40 (17.1%) < 0.001
Patients surgically treated (n, %) 202 (51.3%) 205 (25.6%) < 0.001
Patients treated with > 1 surgery (n, %) 98 (24.9%) 11 (1.4%) < 0.001
Surgeries on lower extremities per patient (mean, SD) 1.1 (1.7) 0.3 (0.5) < 0.001
  1. HET high-energy trauma, MMT mobile medical team (helicopter)
  2. 1Both direct admissions and admissions for postponed surgeries