Table 1 Differences in range of motion in patients after fracture retention with PEEK-plates before and after implant removal and excision of the overlying soft tissue (IR). The statistical analysis was performed using the Wilcoxon test

elevation

116.3° ± 19.2°

129.4° ± 23.7°

13.1°

0.027

adduction

15.0° ± 10.7°

23.1° ± 16.2°

8.1°

0.041

external rotation humerus 0° abducted

35.0° ± 7.6°

50.6° ± 21.8°

12.5°

0.041

internal rotation humerus 0° abducted

58.8° ± 33.1°

71.3° ± 38.3°

15.6°

0.041

external rotation humerus 90° abducted

38.8° ± 18.1°

52.5° ± 25.5°

13.7°

0.024

internal rotation humerus 90° abducted

53.8° ± 32.5°

67.5° ± 30.1°

13.7°

0.041