Table 2.

Univariate analysis of independent variables and recurrence of shoulder instability

Characteristic	Patients (N = 59), n	Recurrent Instability (N = 20), n (%)	No Recurrence (N = 39), n (%)	P Value
Age, y, mean ± SD		19 ± 0.9	19.1 ± 1.0	0.720 a
Sex				0.035 b
Male	56	17 (30)	39 (70)
Female	3	3 (100)	0 (0)
Initial mechanism of injury				0.548 b
Contact sport/event	39	13 (33)	26 (67)
Noncontact sport/event	8	4 (50)	4 (50)
Unknown	12	3 (25)	9 (75)
Type of initial surgical repair				0.044 b
Open	12	1 (8)	11 (92)
Arthroscopic	47	18 (38)	29 (62)
Type of sport played at academy				0.109 b
Contact sport	50	14 (28)	36 (72)
Noncontact sport	9	5 (56)	4 (44)
Level of sport played at academy				0.011 b
Intercollegiate	44	10 (23)	34 (77)
Intramural	15	9 (60)	6 (30)
Graduation status				0.746 b
Graduated	46	15 (33)	31 (67)
Did not graduate	13	5 (38)	8 (62)
Selected occupation (N = 46)				>0.99 b
High risk	36	12 (33)	24 (66)
Low risk	10	3 (30)	7 (70)

^aTwo-sample t test.

^bFisher exact test.