Table 2.
Radiographic parameter comparison between below-elbow cast and above-elbow cast at baseline (post reduction) and at final control
Parameter
|
Group A (BEC), mean (95%CI)
|
Group B (AEC), mean (95%CI)
|
t
-test (t) comparing groups
|
P
value
|
Baseline (post reduction) | ||||
RL | 11.31 mm (11.03; 11.60) | 11.35 mm (11.05; 11.64) | t = -0.17 | P = 0.86 |
RI | 20.90° (20.41; 21.39) | 21.08° (20.58; 21.59) | t = -0.50 | P = 0.62 |
VT | -8.06° (-9.11; -7.01) | -6.55° (-7.56; -5.55) | t = -2.05 | P = 0.04 |
Final control (35 d) | ||||
RL | 9.73 mm (9.33; 10.12) | 9.72 mm (9.35; 10.09) | t = 0.02 | P = 0.99 |
RI | 18.07° (17.42; 18.72) | 18.54° (17.88; 19.19) | t = -1.01 | P = 0.31 |
VT | -3.95° (-5.61; -2.29) | -3.03° (-4,35; -1,71) | t = -0.86 | P = 0.39 |
Δ final control–baseline | ||||
Parameter | ||||
RL | -1.59 mm (-1.88; -1.29) | -1.63 mm (-1.89; -1.36) | t = 0.2 | P = 0.84 |
RI | -2.83° (-3.37; -2.29) | -2.54° (-3.05; -2.03) | t = -0.77 | P = 0.44 |
VT | 4.11° (2.61; 5.61) | 3.53° (2.22; 4.83) | t = 0.58 | P = 0.56 |
Δ of loss of radiographic parameters during treatment (BEC–AEC) | ||||
Parameter | Group A-B, mean (95%CI) | |||
RL | 0.04 mm (-0.36; 0.44) | |||
RI | -0.29° (-1.03; 0.45) | |||
VT | 0.59° (-1.39; 2.57) |
BEC: Below elbow cast; AEC: Above elbow cast; RL: Radial length; RI: Radial inclination; VT: Volar tilt.