• Per-Henrik Agren, Sebastian Mukka, Tycho Tullberg, Per Wretenberg, and Arkan S Sayed-Noor.
• *Stockholm Fotkirurgklinik, Sofiahemmet, Stockholm, Sweden; †Department of Surgical and Perioperative Sciences (Orthopaedics-Sundsvall), Umeå University, Umeå, Sweden; ‡Stockholm Spine Center, Stockholm, Sweden; and §Department of Molecular Medicine and Surgery (Orthopaedics), Karolinska Institute, Stockholm, Sweden.
• J Orthop Trauma. 2014 Oct 1;28(10):564-8.

ObjectivesTo study the factors affecting long-term treatment results of displaced intraarticular calcaneal fractures (DIACFs).DesignA post hoc analysis.SettingsTertiary care teaching hospitals.PatientsEight to twelve years of results from a randomized controlled multicenter trial of operative versus nonoperative treatment (n = 56) were divided into 2 groups: the superior 50% results (n = 28) and the inferior 50% results (n = 28), regardless of the treatment given. The determinant of this division was a visual analog score for pain and function.InterventionsThe operative treatment consists of open reduction and internal fixation, whereas the nonoperative treatment consists of nonweight bearing and early range of motion exercise.Main Outcome MeasurementsA visual analog score for pain and function, the short-form 36 (SF-36) general health outcome questionnaire, the American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot scale, and Olerud-Molander score. We compared age, sex, fracture type (Sanders classification), treatment given, Böhler angle, residual articular surface step-off at healing, type of occupation, and injury insurance between the 2 groups.ResultsPatients of the superior group had higher physical SF-36, AOFAS, and Olerud-Molander score than in the inferior group. Operative treatment, better Böhler angle and articular surface restoration, light labor/retirement, and absence of injury insurance were more common in the superior group. Age, sex, pretreatment Böhler angle, and fracture type were comparable in the superior and inferior groups.ConclusionsThe decision making for definitive treatment of intraarticular calcaneal fractures is multifactorial with a spectrum of results and trends such as patient demographic features that should be considered in choosing the best treatment option.Level Of EvidencePrognostic Level II. See Instructions for Authors for a complete description of levels of evidence.

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