Sagittal Angulation and the Treatment of Geriatric Femoral Neck Fractures: Time to Update our Classification Systems.

Significant posterior angulation (≥ 20°) of Garden I/II femoral neck fractures is associated with a high failure rate following screw fixation. The authors suggest characterizing fractures with ≥ 20° of sagittal angulation as Garden III fractures to better support surgical decision-making.