Table 7.
Correlation of quantitative fatty infiltration with functional outcomes scores
Muscle | Postoperative Constant-Murley score | Improvement in Constant-Murley score | Postoperative ASES score | Improvement in ASES score | Postoperative ADL score | Improvement in ADL score | Postoperative pain | Improvement in pain | Postoperative subjective shoulder value | Improvement in subjective shoulder value |
---|---|---|---|---|---|---|---|---|---|---|
Deltoid | ||||||||||
Correlation coefficient (ρ) | −0.131 | 0.112 | −0.401* | 0.000 | −0.243 | −0.008 | 0.263 | −0.014 | −0.219 | −0.112 |
p value | 0.533 | 0.603 | 0.047 | 0.999 | 0.241 | 0.969 | 0.204 | 0.947 | 0.293 | 0.602 |
Supraspinatus | ||||||||||
Correlation coefficient (ρ) | 0.325 | 0.168 | 0.181 | 0.342 | 0.140 | 0.229 | −0.005 | 0.365 | 0.269 | 0.443 |
p value | 0.189 | 0.520 | 0.472 | 0.165 | 0.579 | 0.362 | 0.985 | 0.137 | 0.280 | 0.075 |
Infraspinatus | ||||||||||
Correlation coefficient (ρ) | −0.063 | 0.120 | −0.162 | 0.115 | −0.204 | −0.015 | 0.141 | 0.145 | −0.097 | 0.164 |
p value | 0.804 | 0.646 | 0.520 | 0.651 | 0.416 | 0.954 | 0.576 | 0.565 | 0.702 | 0.529 |
Subscapularis | ||||||||||
Correlation coefficient (ρ) | −0.121 | 0.038 | −0.344 | −0.164 | −0.381 | −0.307 | 0.119 | −0.009 | −0.113 | −0.017 |
p value | 0.633 | 0.885 | 0.162 | 0.515 | 0.119 | 0.215 | 0.638 | 0.970 | 0.656 | 0.948 |
Teres minor | ||||||||||
Correlation coefficient (ρ) | 0.083 | 0.363 | −0.262 | 0.042 | −0.319 | −0.085 | 0.027 | 0.175 | −0.077 | −0.069 |
p value | 0.744 | 0.152 | 0.294 | 0.868 | 0.196 | 0.736 | 0.915 | 0.488 | 0.761 | 0.794 |
ASES = American Shoulder and Elbow Surgeons, ADL = Activities of Daily Living; *p < 0.05.