Our aim was to compare the Wilkins'-modified Gartland classification and AO classifications of supracondylar humeral fracture with respect to: -Inter-observer reliability; Association of fracture-grade with radiological quality of reduction; Association of fracture-grade with complications. The unit database was interrogated to identify all operated supracondylar fractures between 2007–2011. Radiographs from each case were evaluated by four observers (three consultants, one trainee) and classified according to Gartland and the AO system. Inter-observer reliability was calculated using Cohen's Kappa coefficient. Radiological quality of reduction was evaluated using a new scoring system, combining the anterior humeral line, the lateral capitello-humeral angle (LCHA) and Baumann's angle, (compared to reference values). Analysis of variance (ANOVA) was performed to determine whether there was a statistically significant difference in scores between the fracture grades. Case notes were reviewed for pre- and post-operative complication, and chi-squared test performed to compare the incidence between different fracture grades.Aim
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