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Table 2 Evaluations and complications

From: Surveillance ultrasonography for conservative treatment of femoral shaft fractures in young children

  Group A (with US) Group B (without US) P value
Skin traction time (days) 15.8 ± 3.2 16.9 ± 5.5 0.8141
1st day angles on AP radiographs (degrees)
 < 10 9 13 0.6922
 11–20 8 18  
 21–30 7 21  
 > 31 5 11  
1st day FSF angles on lateral radiographs (degrees)
 < 10 5 7 0.7940
 11–20 10 23  
 21–30 9 18  
 > 31 5 15  
7th day angles on AP radiographs (degrees)
  < 10 15 12 0.0198#
 11–20 9 26  
 21–30 4 15  
  > 31 1 7  
7th day FSF angles on lateral radiographs (degrees)
 < 10 9 9 0.1446#
 11–20 13 27  
 21–30 5 14  
 > 31 2 13  
Final FSF angles on AP radiographs (degrees)
 < 10 19 16 0.0032#
 11–20 8 29  
 21–30 2 11  
 > 31 0 5  
Final FSF angles on lateral radiographs (degrees)
 < 10 15 14 0.0316#
 11–20 10 31  
 21–30 3 9  
 > 31 1 9  
X-radiographs times (n) 24.1 ± 4.5 7.2 ± 1.7 0.0001#
Radiation (mGy) 0.58 ± 0.11 0.18 ± 0.06 0.0001#
 Cost (US dollar) 1087.1 ± 386.7 692.0 ± 435.3 0.0005#
Complications
 Skin problems 5 12 0.8357
 Vessel injury 0 0  
 Nerve injury 0 0  
 Acute compartment syndrome 0 0  
  1. US Ultrasonography, FSF Femoral shaft fracture, AP Anteroposterior
  2. #P < 0.05 was considered significant