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Table 1 Comparison of the Constant score between the STEMLESS group and controls

From: Are there differences between stemless and conventional stemmed shoulder prostheses in the treatment of glenohumeral osteoarthritis?

  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
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