Table 3.

Radiographic preoperative and intraoperative criteria for EL injury used in the literature.

	Acute studies (n)	Chronic studies (n)	Total studies (n)
Preoperative
Radiographic positive ulnar variance
>1 mm	1	0	1
>2 mm	2	0	2
>3 mm	1	2	3
>4mm	0	2	2
>6 mm	1	1	2
>10 mm	0	2	2
>12 mm	0	1	1
Ultrasound
IOM rupture	1	3	4
Axial stress test	1	0	1
Muscle hernia sign	3	0	3
MRI
IOM edema/rupture	2	0	2
DRUJ abnormalities*	1	1	2
Muscle hernia sign	1	0	1
Intraoperative
Radius pull test	5	2	7
Joystick test	3	0	3

*Abnormalities: edema, triangular fibrocartilage complex (TFCC) rupture, incongruity.