Table 1 Comparison of the Constant score between the STEMLESS group and controls
Group STEMLESS (TESS®) | Group CONTROL (Aequalis®) | P values | |
|---|---|---|---|
n = 12 | n = 12 | ||
Preoperative | |||
Constant score (points) | 33.7 ± 16.1 (9 to 61) | 22.8 ± 5.8 (15 to 31) | 0.038 |
Pain (points) | 6.3 ± 3.8 (0 to 10) | 5.0 ± 2.1 (0 to 10) | 0.328 |
Power (points) | 2.8 ± 4.2 (0 to 9) | 0.7 ± 2.3 (0 to 8) | 0.131 |
Activity (points) | 7.6 ± 2.5 (5 to 13) | 5.9 ± 1.4 (4 to 8) | 0.061 |
Mobility (points) | 17.0 ± 8.1 (4 to 30) | 11.2 ± 4.8 (6 to 18) | 0.042 |
Flexion (deg) | 94.2 ± 27.5 (60 to 160) | 80.4 ± 26.0 (40 to 120) | 0.221 |
Abduction (deg) | 79.6 ± 34.0 (25 to 170) | 57.9 ± 18.6 (30 to 90) | 0.066 |
External rotation (points) | 4.3 ± 3.5 (0 to 8) | 1.8 ± 2.9 (0 to 8) | 0.069 |
Internal rotation (points) | 3.7 ± 2.2 (0 to 6) | 2.8 ± 2.2 (0 to 6) | 0.363 |
Postoperative | |||
Constant score (points) | 48.0 ± 13.8 (25 to 65) | 49.3 ± 8.6 (35 to 62) | 0.792 |
Pain (points) | 11.7 ± 3.9 (5 to 15) | 12.9 ± 3.3 (5 to 15) | 0.408 |
Power (points) | 4.4 ± 4.6 (0 to 10) | 3.8 ± 4.8 (0 to 11) | 0.766 |
Activity (points) | 11.6 ± 3.2 (6 to 17) | 11.3 ± 2.4 (8 to 15) | 0.832 |
Mobility (points) | 20.3 ± 5.9 (10 to 30) | 21.2 ± 2.6 (16 to 26) | 0.659 |
Flexion (deg) | 96.9 ± 16.4 (73 to 127) | 92.4 ± 16.5 (65 to 130) | 0.509 |
Abduction (deg) | 85.9 ± 20.7 (50 to 128) | 86.2 ± 12.7 (72 to 116) | 0.972 |
External rotation (points) | 5.3 ± 3.4 (0 to 8) | 6.2 ± 2.5 (2 to 8) | 0.504 |
Internal rotation (points) | 4.8 ± 1.0 (4 to 6) | 5.3 ± 1.3 (2 to 6) | 0.308 |