Table 2.

Demographic and fracture data of patients with non-unions of the ulna

Patient	Age/sex	Primary or refracture	Soft tissue damage	Fracture localization	Reduction	Non-union type	Complications	Indication for surgery
1	9/m	Primary	Closed	Mid-diaphysis	Ulna open; radius open	Hyperthrophic	Technical error, wound infection	Increasing axial deviation
2	9/m	Primary	Closed	Distal diaphysis	Ulna open; radius closed	Hypothrophic	None	Increasing axial deviation
3	12/m	Refracture	Closed	Mid-diaphysis	Ulna open; radius closed	Hyperthrophic	Wound infection, early removal of Ulna nail	Increasing axial deviation
4	12/m	Refracture	Closed	Mid-diaphysis	Ulna open; radius closed	Hyperthrophic	None	No surgery
5	12/m	Refracture	Closed	Mid-diaphysis	Ulna closed; radius closed	Hyperthrophic	None	No surgery
6	13/m	Refracture	Closed	Mid-diaphysis	Ulna open; radius closed	Hyperthrophic	None	No surgery
7	15/w	Primary	I° open ulna	Mid-diaphysis	Ulna open; radius closed	Hypothrophic	Different sizes of nails	Broken nail