Radiographic assessment of 148 glenohumeral (GH) joints according to the Larsen grading and the mean medialisation distance (MD), medial displacement index (MI), upward migration index (UI), and greater tuberosity-articular surface (GA) measurements for each group
| Larsen grade | Number of GH joints (%) |
MD, mm (mean, SD) | MI (mean, SD) | UI (mean, SD) | GA, mm (mean, SD) |
| 0 | 33 (22) | 85.4 (6.3) | 0.90 (0.04) | 1.27 (0.06) | 6.8 (1.7) |
| 1 | 44 (30) | 81.2 (6.6) | 0.88 (0.04) | 1.24 (0.09) | 6.3 (1.7) |
| 2 | 40 (27) | 87.9 (8.2) | 0.87 (0.05) | 1.20 (0.08) | 6.8 (1.5) |
| 3 | 14 (9) | 85.6 (8.1) | 0.84 (0.08) | 1.16 (0.14) | 6.1 (2.3) |
| 4 | 6 (4) | 83.0 (4.9) | 0.71 (0.07) | 0.97 (0.14) | 4.7 (1.6) |
| 5 | 11 (7) | 64.5 (8.5) | 0.49 (0.15) | 0.82 (0.16) | 2.9 (3.3) |
| Total | 148 (100) | 83.2 (9.3) | 0.84 (0.12) | 1.19 (0.15) | 6.2 (2.1) |
| ANOVA1-150 | p Values between: | ||||
| Different Larsen groups | <0.001 | <0.001 | <0.001 | <0.001 | |
| Linearity of destruction | <0.001 | <0.001 | <0.001 | <0.001 | |
| Eta coefficient | 0.64 | 0.87 | 0.78 | 0.49 | |
↵1-150 ANOVA = analysis of variance.