An Evaluation of the Responsiveness and Discriminant Validity of Shoulder Questionnaires among Patients Receiving Surgical Correction of Shoulder Instability

Table 1

Demographic & preinjury characteristics of sample with shoulder instability.

Variable	All; 𝑛=43	No recurrence; 𝑛=32	Recurrence of instability; 𝑛=8
Demographics
Mean age in years (SD)	26.0 (8.2)	25.5 (7.8)	28.4 (10.0)
Male sex (%)	32 (74)	24 (75)	6 (75)
Smokers (%)	8 (19)	5 (17)	2 (25)
Shoulder characteristics
Right side injury (%)	25 (58)	22 (62)	3 (38)
Right hand dominance (%)	39 (91)	28 (88)	8 (100)
Competitive sport level
International (%)	1 (2)	1 (3)	0 (0)
National (%)	1 (2)	1 (3)	0 (0)
Provincial (%)	7 (16)	5 (17)	1 (12)
Local (%)	17 (40)	11 (34)	4 (50)
Not applicable (%)	17 (40)	14 (43)	3 (38)