From April ,2014 to April 2015,31 patients with fractures of the proximal humerus were treated in our hospital. According to anatomic neck fractures (ANF) and surgical neck fractures (SNF), we divided the patients into two groups. All the patients were followed at least 1 year.
Study Type
OBSERVATIONAL
Enrollment
31
change of head-shaft angle at 12months from 6months in two groups
Time frame: 12months
change of Offset at 12months from 6months in two groups
Time frame: 12 months
Constant-Murly scores at 3 months, 12 months and last follow-up
Time frame: 3 months,12 months,last follow-up (last follow-up means recent evaluation before database lock, it is more than 12months )
change of the distance between the screw tip and the subchondral surface(TSD) at 12months from 6months in two groups
Time frame: 12 months
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