Resurfacing shoulder arthroplasty for the treatment of severe rheumatoid arthritis

Figures & data

Figure 1. All shoulder arthroplasties and RA shoulder arthroplasties, 2007–2012

Table 1. Demography of arthroplasty designs

	All	TSA	rTSA	RHA	SHA	p-value^a
Mean age	65	65	74	63	65	0.3
Female	133	14	19	62	37	0.8
Previous surgery	16	2	2	9	3	0.8
Non-responder	37	3	4	18	12	0.2
Total	167 ^b	16	24	80	46

^a RHA vs. SHA by t-test and chi-squared test.

^b 1 missing

Table 2. Distribution of prosthesis brands and prosthesis designs

	Prosthesis design
	SHA	TSA	RHA	rTSA
Global advantage	16	2	0	0
Bigliani	10	4	0	0
Bigliani Standard	8	7	0	0
Global FX	5	1	0	0
Nottingham	3	0	0	0
Neer (Monoblock)	2	0	0	0
Aequalis-Tornier	1	0	0	0
Neer (Modular)	1	0	0	0
Anden	0	2	4	1
Copeland	0	0	60	0
Global Cap	0	0	16	0
Delta Extend	0	0	0	14
Delta Mark 3	0	0	0	8
Anatomical shoulder	0	0	0	1

Figure 2. Prothesis survival in the RA population treated with shoulder arthroplasty

Table 3. Patients with complete WOOS scores. Values are mean (SD)

	TSA	rTSA	RHA	SHA	All
WOOS score	60 (25)	75 (18)	61 (27)	58 (21)	63 (25)
No. of patients	13	20	62	34	129 ^a

^a 1 missing