Fig. 2From: Surgical treatment of displaced isolated lateral malleolar fractures: incidence of adverse events requiring revision: a retrospective cohort studyStudy population. 1. 10th revision of the International Statistical Classification of Diseases and Related Health Problems: S82.3 Fracture of lower end of tibia; S82.4 Fracture of fibula alone; S82.5 Fracture of medial malleolus; S82.6 Fracture of lateral malleolus; S82.7 Multiple fractures of lower leg; S82.8 Fractures of other parts of lower leg; S82.9 Fracture of lower leg, part unspecified. 2. Apparent TS was defined as a 2 mm increase in perpendicular medial clear space measured relative to the superior clear space in the mortise view of initial non-weightbearing, non-stress radiographs [12]Back to article page