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Introduction: Over the last 20 years, minimally invasive surgery using Percutaneous Screw Fixation (PSF) has been performed increasingly frequently in the treatment of Displaced Intra-Articular Calcaneal Fractures (DIACFs). The purposes of this study were to assess the long-term postoperative outcomes of mobility, foot function, stability, pain and patient satisfaction.Methods: All patients had DIACFs and underwent PSF between 1998 and 2006 according to the method reported by Forgon and Zadravecz. Functional outcomes, range of motion and change in footwear were evaluated with the American Orthopaedic Foot & Ankle Society (AOFAS) score and the Maryland Foot Score (MFS). All patients completed a general health status form (Short Form-36 [SF-36]) and visual analogue scale (VAS) for patient satisfaction. Anatomical restoration was assessed based on the pre- and postoperative radiographic images.Results: Sixty-six patients with an DIACF were observed in the period 1998-2006. Patients who had open fractures, died or were <18 years of age at trauma were excluded. A total of 46 patients were asked to complete the questionnaires, during the last quarter of 2018. Of these patients, 27 with 29 DIACFs responded (58%). Nineteen were males, and the mean age at trauma was 45 years. Seven cases were classified as Sanders type II, 14 as Sanders type III, and 8 as Sanders type IV. The mean pre- and postoperative Böhler angles were 10 ͦ and 26 ͦ, respectively. The average follow-up period was 16 years, and at the follow-up, the mean AOFAS, MFS, SF-36 and VAS scores were 76, 74, 63 and 7.7 points, respectively. In comparison to the results at 5-10 years postoperatively in a previous study, we observed a decline in the average AOFAS and MFS scores by 8 and 11 points, respectively. Patient satisfaction decreased by 0.1 points and general health by 14 points.Conclusion: The long-term results of this study show relatively good functional outcomes is two-thirds of the treated patients. According to the reported scores, patients described their level of function as essentially normal. PSF should therefore be considered as a good option in patients with DIAC fractures, especially in patients with Sanders II and III fractures.Level Of Evidence: Therapeutic Level III. [ABSTRACT FROM AUTHOR]