Table 3.

Amount of non-union joint arthrodeses because of osteoarthritis by technique – only studies which described the number of non-unions of the PIP joint with respective technique were included.

Technique	Studies (n)	Individuals (n)	Non-union (n(%))
Tension-band	14	293	12 (4.1)
K-wires	13	735	64 (8.7)
Compression screw	12	282	11 (3.9)
Interosseus wiring	8	105	9 (8.6)
Pin fixation	9	102	6 (5.9)
Peg fixation	8	165	6 (3.6)
Plate	6	93	4 (4.3)
Total	70	1775	112 (6.3)