TABLE 1.
Demographic characteristics of the study participants
| Characteristic | RCTs group (n = 142) | Non‐RCTs group (n = 58) | Statistic value | P value |
|---|---|---|---|---|
| Age, mean ± SD (range) | 56.8 ± 12.8 (19–93) | 39.0 ± 15.4 (18–72) | U = 1640.000 | <0.001* |
| Age group | χ 2 = 39.067 | <0.001* | ||
| <45 years | 28 | 38 | ||
| ≥45 years | 114 | 20 | ||
| Sex | χ 2 = 17.879 | <0.001* | ||
| Male | 61 | 44 | ||
| Female | 81 | 14 | ||
| Laterality | χ 2 = 0.839 | 0.0360 | ||
| Left | 42 | 21 | ||
| Right | 100 | 37 | ||
| CSA, deg | ||||
| X‐ray, mean ± SD (range) | 33.1 ± 3.6 (25.1–41.7) | 28.4 ± 3.6 (20.9–36.5) | U = 1550.000 | <0.001* |
| 3D‐CT, mean ± SD (range) | 33.2 ± 3.8 (25.0–41.0) | 28.2 ± 3.8 (21.0–36.0) | U = 1524.500 | <0.001* |
Abbreviations: 3D‐CT, three‐dimensional computed tomography; CSA, critical shoulder angle; RCTs, rotator cuff tear; SD, standard deviation.
*
Statistically significant.