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Table 1 Baseline demographic and clinical characteristics of trauma patients

From: Serum D-dimer level as a biomarker for identifying patients with isolated injury to prevent unnecessary whole-body computed tomography in blunt trauma care

Characteristic Number of patients (n=283)
Age, years, median (IQR) 47 (30–64)
Sex, male, n (%) 200 (70.7%)
Mechanism of injury, n (%)
 Motor vehicle collision 209 (73.9%)
 Fall 57 (20.1%)
 Other 17 (6.0%)
Injury sitea, n (%)
 Head and neck 46 (16.3)
 Face 2 (0.7)
 Chest 71 (25.1)
 Abdomen 49 (17.3)
 Pelvis/Extremity 79 (27.9)
Vital signs on presentation
 GCS 15 (15–15)
 Respiratory rate, /min 21 (17–25)
 Systolic blood pressure, mmHg 140 (123–161)
 Heart rate, /min 81 (72–94)
D-dimer, μg/mL, median (IQR) 7.2 (2.3–23.7)
 < 0.5 μg/mL, n (%) 4 (1.4%)
 0.5–1.0 μg/mL, n (%) 27 (9.5%)
 1.0–3.0 μg/mL, n (%) 53 (18.7%)
 3.0–5.0 μg/mL, n (%) 35 (12.4%)
 ≥5.0, n (%) 164 (58.0%)
Injury Severity Score, median (IQR) 4 (0–13)
Revised Trauma Score, median (IQR) 7.84 (7.84–7.84)
Probability of survival, median (IQR) 0.99 (0.98–1.00)
Isolated injury, n (%) 212 (74.9%)
Insolated non-severe injury, n (%) 199 (70.3%)
  1. GCS Glasgow Coma Scale, aincludes injuries with AIS score ≥2