The HOS is specifically validated for younger, active patients who likely have "normal" results on traditional geriatric hip scores (like Harris Hip Score).
Score (%) = (Points Obtained / (Items Answered x 4)) x 100
Higher percentages indicate better function. The Sport subscale is more sensitive to subtle mechanical deficits than the ADL subscale.
Martin RL, et al.
The Hip Outcome Score: establishment of clinically relevant outcomes for patients with hip pathology.
