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Table 1 According to risk groups, the demographic, and radiological data of the patients

From: Can we reduce CT scan and hospital costs in children with blunt trauma using four parameters?

  Patients with very low risk Patients with risk Total
n = 516 n = 70 586
n (%) n (%) n (%)
Mean age (years) 10.1 ± 4.7 10.1 ± 4.5 10.2 ± 3.7
Gender
 Female 191 (37.1) 19 (27.1) 210 (35.8)
 Male 325 (62.9) 51 (72.9) 376 (64.2)
Trauma mechanism
 Falling from height 351 (68.1) 45 (64.3) 396 (67.5)
 Motor vehicle accident 122 (23.6) 14 (20) 136 (23.2)
 Falling objects 27 (5.2) 6 (8.5) 33 (5.6)
 Motor vehicle crash 16 (3.1) 5 (7.1) 21 (3.6)
CXR
 Pneumothorax   2 (2.8) 2 (0.3)
 Pneumothorax+clavicula fracture   3 (4.3) 3 (0.5)
 Lung contusion   2 (2.8) 2 (0.3)
Abdominal CT
 Spleen 1 (0.2) 6 (8.6) 7 (1.2)
 Liver   4 (5.7) 4 (0.7)
 Kidney   4 (5.7) 4 (0.7)
 Intraabdominal free fluid 1 (0.2) 3 (4.2) 4 (0.7)
FAST
 Kidney   2 (2.8) 2 (0.3)
 Spleen   1 (1.4) 1 (0.2)
 Intraabdominal free fluid 10 (1.9) 10 (14.2) 20 (3.4)
  1. CXR chest x-ray, CT computed tomography, FAST focused assessment with sonography for trauma