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Table 1 Baseline characteristics of the patients at baseline and with at least one clinical follow up over 2 years

From: Treatment effects of reverse total shoulder arthroplasty – a simple method to measure outcomes at 6, 12, 24 and 60 months for each patient

 All Patients with pre-op dataPatients with follow up data
 N = 203N = 183
Hamada Grade
 Stage 255 (27.1%)49 (26.8%)
 Stage 343 (21.2%)41 (22.4%)
 Stage 4a; Stage 4b; Stage 5105 (51.7%)93 (50.8%)
Age
 Mean (SD)74.9 (6.7)74.7 (6.5)
 Range41.9 to 91.641.9 to 87.5
Gender
 Female134 (66.0%)122 (66.7%)
 Male69 (34.0%)61 (33.3%)
Dominance
 Dominant185 (91.1%)166 (90.7%)
 Non dominant18 (8.9%)17 (9.3%)
ASA grade
 115 (7.4%)13 (7.1%)
 222 (10.8%)20 (10.9%)
 369 (34.0%)66 (36.1%)
 4 and 597 (47.8%)84 (45.9%)
ASES
 Mean (SD)20.3 (12.9)20.8 (12.8)
 Range0.0 to 63.30.0 to 63.3
Constant
 Mean (SD)24.6 (13.2)25.3 (13.2)
 Range3.0 to 67.03.0 to 67.0