Classification Simplified classification Description Notes
Type 1 Nondisplaced Incomplete, nondisplaced, including valgus impacted fractures ~7% AVN. Typically treated with percutaneous fixation
Type 2 Complete, nondisplaced
Type 3 Displaced Complete, incompletely displaced ~ 37% AVN. Typically treated with ORIF or arthroplasty
Type 4 Complete, completely displaced




Sheehan, S. E., et al. (2015). “Proximal Femoral Fractures: What the Orthopedic Surgeon Wants to Know.” Radiographics 35(5): 1563-1584.

Garden R S. Low angle fixation in fractures of the femoral neck. J Bone Joint Surg (Br) 1961; 43: 647–63