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Table 1 The main characteristics of the included studies

From: Resurfacing hemiarthroplasty versus stemmed hemiarthroplasty for glenohumeral osteoarthritis: a meta-analysis

Study Country Study design Population Group No. of patients Age (years) Gender (M/F) No. of shoulders Follow-up(months) No. of complications No. of revisions
Hammond et al, 2013 [45] USA RCS variousa R 23 37.7 ± 8.9 12/8 20 43.2 ± 14.4 12 6
S 21 33.9 ± 9.4 9/9 20 45.6 ± 22.8 6 3
Rasmussen et al, 2014 [39] Denmark RCS various R 837 65 ± 11 370/467 837 12 NA 63
S 259 71 ± 11 89/170 259 12 NA 16
Lebon et al, 2014 [46] France RCS primaryb R 41 61(47–80) 20/21 41 40 10 4
S 37 63(56–79) 18/19 37 48 6 0
Rasmussen et al, 2015 [47] Denmark RCT primary R 35 65.6 (40–88) 7/13 20 12 0 0
S 69.1 (46–87) 6/14 20 12 0 0
Ödquist et al, 2018 [40] Sweden RCS various R NA 67.4 ± 10.8 163/155 318 60 NA 37
S NA 380/442 822 60 NA 55
Fourman et al, 2019 [48] USA RCS various R 106 63.8 ± 9.5 66/40 120 62.4 ± 21.6 35 0
S 47 62.5 ± 9.9 26/21 54 112.8 ± 40.8 12 2
  1. USA the United States of America, RCS retrospective cohort studies, RCT randomized controlled trial, R resurfacing hemiarthroplasty, S stemmed hemiarthroplasty, No. numbers, M/F male/female, NA not available.
  2. aVarious includes inflammatory arthritis, post-traumatic arthritis, osteonecrosis, rheumatoid arthritis, and others
  3. bPrimary represents primary glenohumeral osteoarthritis.