Table 2

Patient characteristics by admitting service (trauma, orthopedic surgery, other)

Patient characteristicAdmitting service
AllTraumaOrthopedicOtherP value
n10 182334727504085
Age, mean (SD)82.7 (8.6)82.9 (8.4)81.9 (8.7)82.9 (8.5)<0.001
Age (%)<0.001
 65–74 years21.219.524.420.3
 75–84 years33.834.833.933.0
 ≥85 years45.045.741.746.6
Male (%)31.330.630.332.60.1
Race (%)<0.001
Injury Severity Score (%)<0.001
AIS head/neck=1 (%)<0.001
AIS chest=1 (%)
AIS abdomen=1 (%)
ED heart rate (%)<0.001
 51–120 bpm92.092.892.291.2
 >120 bpm1.
 0–50 bpm0.
ED systolic blood pressure (%)0.2
 >90 mm Hg93.293.992.792.9
 61–90 mm Hg0.
 ≤60 mm Hg0.
Glasgow Coma Scale motor (%)<0.001
Transfer in (%)10.94.313.614.7<0.001
Intubated (%)
Comorbid diseases (%)
 Active chemotherapy1.<0.1
 Advanced directive limiting care12.69.78.418.0<0.001
 Alcohol use disorder2.
 Bleeding risk24.729.019.224.8<0.001
 Cerebrovascular accident6.
 Chronic renal failure2.<0.001
 Congestive heart failure10.<0.001
 Current smoker9.810.
 Diabetes mellitus20.220.718.621.0<0.1
 Disseminated cancer1.
 Drug use disorder1.<0.01
 Functionally dependent health status49.454.138.652.8<0.001
 History of myocardial infarction0.
 Hypertension requiring medication67.770.365.467.1<0.001
 Liver disease1.<0.1
 Major psychiatric illness22.920.320.326.9<0.001
 Peripheral vascular disease3.<0.001
 Steroid use4.
 Therapeutic anticoagulation18.922.514.419.0<0.001
  • AIS, Abbreviated Injury Scale; bpm, beats per minute; COPD, chronic obstructive pulmonary disease; ED, emergency department; mm Hg, millimeters of mercury.