“… 2 , 4 , 7 , 8 , 11 , 13 , 15 , 16 , 20 , 24 , 32 , 38 , 41 , 43 , 50 , 51 , 54 , 44 , 60 There were three studies that reported a number of RSA performed for traumatic indications but reported results by indication; traumatic cases were excluded from the systematic review. 2 , 43 , 51 The Preferred Reporting Items for Systematic Reviews and Meta-analysis flow chart representing this process is illustrated in Figure 1 . The included studies constitute 1556 patients and 1,1591 shoulders, with 32.1% being male, a mean age of 70.2 ± 5.0 years, a mean body mass index of 29.5 ± 1.3 kg/m 2 , and a mean follow-up of 106.2 ± 30.1 months.…”