Table 2 Results from Receiver Operating Characteristic curve analysis of predicting factors of arthroscopic reparability for large-sized and massive rotator cuff tears
Factor | Cut point | Sensitivity (SD) | Specificity (SD) | Likelihood ratio | P-value |
|---|---|---|---|---|---|
Age | ≥ 65 years old | 0.83 (0.04) | 0.70 (0.03) | 2.81 | 0.015 |
ML tear size | ≥ 36 mm | 0.91 (0.02) | 0.74 (0.03) | 3.51 | 0.001 |
AP tear size | ≥ 22 mm | 0.75 (0.05) | 0.70 (0.03) | 2.65 | 0.002 |
Rotator cuff arthropathy | ≥ stage 2 | 0.58 (0.07) | 0.89 (0.01) | 5.25 | 0.004 |
AHI | ≤ 6 mm | 0.64 (0.07) | 0.78 (0.02) | 2.86 | 0.003 |
IGHD | ≥ 5 mm | 0.73 (0.06) | 0.60 (0.03) | 1.79 | 0.036 |
Supraspinatus fatty infiltration | ≥ stage 3 | 0.50 (0.07) | 0.89 (0.01) | 4.50 | < 0.001 |
Infraspinatus fatty infiltration | ≥ stage 1 | 0.75 (0.05) | 0.64 (0.03) | 2.79 | 0.031 |
Supraspinatus muscle atrophy | mild to severe | 1.00 (N.A.) | 0.60 (0.02) | 2.52 | 0.001 |