Table 2.

Improvement in active range of motion (ROM) depending on the diagnosis. Values are mean degrees

	Total	Cuff tear arthropathy	Fracture sequelae	Revision arthroplasty
(n = 59)	(n = 23)	(n = 20)	(n = 16)
Abduction
Preop.	46	53	30	43
Postop.	93	115	79	78
p–value	< 0.001	0.002	< 0.001	0.006
Forward flexion
Preop.	47	52	17	53
Postop.	105	134	89	84
p–value	< 0.001	< 0.001	< 0.001	0.007
External rotation in 0° abduction
Preop.	–9	5	–5	0
Postop.	19	28	11	12
p–value	< 0.001	< 0.001	0.01	0.02
External rotation in 90° abduction
Preop.	–3	2	–4	–9
Postop.	35	63	19	1
p–value	< 0.001	< 0.001	0.02	0.003

Preop: at baseline; Postop: at last FU.