Fig. 1From: Functional outcomes before and after implant removal in patients with posttraumatic shoulder stiffness and healed proximal humerus fractures: does implant material (PEEK vs. titanium) have an impact? – a pilot studyFlowchart detailing the inclusion of patients for final analysis. All in all 379 patients (PEEK n = 61, Ti n = 318) were studied of whom 92 (PEEK n = 14, Ti n = 78) patients met the inclusion criteria. After applying the exclusion criteria, 16 patients could be included in the studyBack to article page