Study Group | Age (years) | Male/Female | Mean follow up (years) | OA | RA | 2ndary OA | Total Number |
---|---|---|---|---|---|---|---|
Group 1 | Mean: 61 Range: 19–92 | 15/75 | 8.8 | 48 (1 with RC tear) | 31 (2 with RC tear) | 11 | 90 |
Group 2 | Mean: 58 Range: 20–84 | 12/91 | 6.4 | 47 | 36 (2 with RC tear) | 20 | 103 |
Group 3 | Mean: 64 Range: 31–89 | 2/32 | 3.2 | 19 | 12 (1 with RC tear) | 3 | 34 |