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 |