Table 3. Patient Demographics and Mean Parameters According to the RCT Size.
| Variable | Small-to-medium (n = 126) | Large (n = 63) | Massive (n = 50) | p-value | ||
|---|---|---|---|---|---|---|
| Demographics | ||||||
| Age (yr) | 62.0 ± 8.5 | 61.2 ± 8.7 | 62.2 ± 7.7 | 0.679 | ||
| Sex (men : women) | 60 : 66 | 26 : 37 | 22 : 28 | 0.688 | ||
| Side (right/left) | 92 : 34 | 50 : 13 | 34 : 16 | 0.385 | ||
| BMI (kg/m2) | 24.6 ± 2.1 | 24.1 ± 2.0 | 25.0 ± 2.9 | 0.112 | ||
| Comorbidity | ||||||
| HTN | 45 (35.7) | 19 (30.2) | 13 (26.0) | 0.425 | ||
| DM | 26 (20.6) | 8 (12.7) | 9 (18.0) | 0.408 | ||
| Hyperlipidemia | 11 (8.7) | 5 (7.9) | 4 (8.0) | 0.977 | ||
| Smoking | 28 (22.2) | 10 (15.9) | 5 (10.0) | 0.143 | ||
| Alcohol | 39 (31.0) | 13 (20.6) | 14 (28.0) | 0.326 | ||
| Parameter | ||||||
| Lateral coverage | ||||||
| LAA (°) | 76.4 ± 7.5 | 73.3 ± 5.7 | 73.8 ± 6.7 | 0.006* | ||
| CSA (°) | 33.8 ± 3.1 | 34.5 ± 3.5 | 36.3 ± 3.1 | < 0.001* | ||
| Anteroposterior coverage | ||||||
| AT (°) | 30.3 ± 4.7 | 28.1 ± 5.1 | 27.9 ± 6.5 | 0.003* | ||
| APCI | 0.81 ± 0.09 | 0.85 ± 0.10 | 0.84 ± 0.10 | 0.023* | ||
| AHI (mm) | 7.4 ± 1.3 | 5.8 ± 1.8 | 4.2 ± 1.7 | < 0.001* | ||
| Anterior glenoid coverage† (°) | –4.8 ± 7.3 | –1.3 ± 9.2 | –2.5 ± 9.3 | 0.016* | ||
| Posterior glenoid coverage† (°) | 71.2 ± 7.7 | 70.6 ± 9.3 | 72.0 ± 8.8 | 0.672 | ||
Values are presented as mean ± standard deviation or number (%).
RCT: rotator cuff tear, BMI: body mass index, HTN: hypertension, DM: diabetes mellitus, LAA: lateral acromial angle, CSA: critical shoulder angle, AT: acromial tilt, APCI: anteroposterior coverage index, AHI: acromiohumeral interval.
*Statistically significant. †According to the classification by Beeler et al.5)