Table 1 Patients’ preoperative, intraoperative and postoperative data

Age (years)

8.79

Sex

    Male

25

    Female

22

Affected side

    Left

19

    Right

28

Complication

    Proximal ulnar fracture

19

    humeral medial epicondyle fracture

2

    Time from injury to surgery (day)

2.02

    Surgery times (min)

25.51

    Fluoroscopic times

8

    Reset times

2

Metaizeau radiological evaluation criteria

    Excellent

45

    Good

2

    Fair

0

    Poor

0

    Follow-up time (month)

26.79

MEPI^a

    Excellent

44

    Good

1

    Fair

2

    Poor

0