Official Journal of the Italian Society of Orthopaedics and Traumatology
 | BIO-RSA 38 (n = 36) | RSA 42 (n = 34) | p-value | Adjusted p-value |
---|---|---|---|---|
At final follow-up | ||||
 Subjective shoulder value (0–100), median (IQR) | 80 (70–91) | 80 (60–90) | D0.488 | 0.961 |
 VAS pain (0–10)), median (IQR) | 1 (0–2) | 1 (0–3) | D0.615 | 0.961 |
 Constant score, mean (SD) | 62 (17) | 65 (23) | B0.699 | 0.961 |
 ASES score, median (IQR) | 82 (75–90) | 82 (67–92) | D0.790 | 0.961 |
 ADLIR score, median (IQR) | 84 (78–88) | 86 (77–95) | D0.370 | 0.961 |
 ADLER score, median (IQR) | 29 (28–30) | 29 (21–30) | D0.290 | 0.961 |
 Anterior elevation, median ° (IQR) | 160 (134–170) | 150 (115–160) | D0.365 | 0.961 |
 Abduction, median ° (IQR) | 150 (115–170) | 140 (88–160) | D0.564 | 0.961 |
 External rotation, median ° (IQR) | 40 (20–49) | 30 (20–45) | D0.676 | 0.961 |
 External rotation in abduction, median ° (IQR) | 75 (60–80) | 70 (45–90) | D0.961 | 0.961 |
 Internal rotation, median level reached (IQR) | L1 (L5-T12) | L4 (buttock-T12) | D0.380 | 0.961 |
Improvement from preoperative to final follow-up | ||||
 Subjective shoulder value (0–100), mean Δ (SD) | 44.6 (24.8) | 31.0 (29.0) | B0.197 | 0.961 |
 VAS pain (0–10), mean Δ (SD) | − 4.7 (3.2) | − 4.2 (2.2) | B0.607 | 0.961 |
 Anterior elevation, mean Δ ° (SD) | 38.4 (55.9) | 29.0 (52.4) | B0.578 | 0.961 |
 External rotation, mean Δ ° (SD) | 21.1 (32.1) | 2.9 (27.6) | B0.070 | 0.961 |
 Internal rotation, mean Δ* (SD) | 4.7 (5.3) | − 1.4 (5.3) | B0.00220 | 0.0352 |