Reverse shoulder arthroplasty vs BIO-RSA: clinical and radiographic outcomes at short term follow-up

Table 2 Comparison of standard RSA versus BIO-RSA at mean 20 months’ follow-up

Variable*	Standard RSA (n = 22)	BIO-RSA (n = 18)	p value
ASES	67.5 ± 23.8 (23–100)	73 ± 18.7 (24–93)	0.53
SSV	60.2 ± 1.8 (20–95)	63.5 ± 25.7 (5–100)	0.67
WOOS	35.9 ± 30.3 (3–94)	31.4 ± 24.3 (0–84)	0.59
Pain scores	25.7 ± 27.2 (0–75)	15.3 ± 21.5 (0–70)	0.19
Scapular stress fracture	2 (9.1)	3 (16.7)	0.64
Scapular notching	15 (68.2)	6 (33.3)	0.028

BIO-RSA bony increased-offset reverse shoulder arthroplasty, RSA reverse shoulder arthroplasty;
ASES American Shoulder and Elbow Surgeons Shoulder Score, SSV Subjective Shoulder Value, WOOS Western Ontario Osteoarthritis of the Shoulder index
*Continuous data are presented as the mean ± standard deviation (range) or as indicated and categorical data as number (%) or number

ISSN: 1749-799X