Table 3 Preoperative Fatty Infiltration of Rotator Cuff Muscles according to Goutallier Classification for 231 Shoulders from 202 patients with Osteoarthritis Undergoing Shoulder Replacement
Category | Intact rotator cuff (N = 131) | Torn rotator cuff (N = 100) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Goutallier classification, n (%) | 0 | 1 | 2 | 3 | 4 | 0 | 1 | 2 | 3 | 4 |
Supraspinatus | 1 (0.7) | 29 (22.1) | 83 (63.3) | 16 (12.2) | 2 (1.5) | 0 (0) | 1 (1) | 24 (24) | 18 (18) | 57 (57) |
Infraspinatus | 1 (0.7) | 17 (12.9) | 74 (56.4) | 34 (25.9) | 5 (3.8) | 0 (0) | 2 (2) | 19 (19) | 30 (30) | 49 (49) |
Teres minor | 6 (4.5) | 62 (47.3) | 50 (38.1) | 10 (7.6) | 3 (2.2) | 0 (0) | 17 (17) | 39 (39) | 32 (32) | 12 (12) |
Subscapularis | 6 (4.5) | 61 (46.5) | 48 (36.6) | 15 (11.4) | 1 (0.7) | 1 (1) | 13 (13) | 23 (23) | 46 (46) | 17 (17) |