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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