Free online Hip Outcome Score (HOS) calculator

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Hip Outcome Score (HOS) score calculator

About the score:

Originally published in 2006 in Arthroscopy, the Hip Outcome Score (HOS) was designed to assess the outcome of treatment intervention for individuals with acetabular tears who may be functioning throughout a wide range of abilities.

The HOS is a patient-completed measure that consists of an “Activities of Daily Living” subscale (17 scored items) and a “Sports” subscale (9 scored items) in which the response options are presented as 5-point Likert scales. Scores for each subscale range from 0% (least function) to 100% (most function).

Original Literature:

Martin, RobRoy L., Bryan T. Kelly, and Marc J. Philippon. “Evidence of validity for the hip outcome score.” Arthroscopy22.12 (2006): 1304-1311.

Validation Literature:

Thorborg, K., et al. “Patient-Reported Outcome (PRO) questionnaires for young to middle-aged adults with hip and groin disability: a systematic review of the clinimetric evidence.” Br J Sports Med (2015): bjsports-2014.

Additional Literature:

Chahal, Jaskarndip, et al. “The patient acceptable symptomatic state for the modified Harris Hip Score and Hip Outcome Score among patients undergoing surgical treatment for femoroacetabular impingement.” The American journal of sports medicine 43.8 (2015): 1844-1849.

About the score developer:

Dr. Marc Philippon is a managing partner at the Steadman Philippon Clinic as well as an Adjunct Associate Professor of Orthopaedic Surgery at the University of Pittsburgh School of Medicine.

To view his publications, please visit PubMed.