From: Clinical and psychosocial outcomes following correction of supination deformity in obstetrical brachial plexus palsy patients: A retrospective study
Variable
N
Minimum
Maximum
Mean
Std. Deviation
Preoperative pronation position
57
-110
-10
-68.5
25.2
Degree of correction
30
140
98.8
26.7
Postoperative pronation position
.00
55
30.5
11.7
Pronation position at follow up
51
70
19.7
16.6