Free online HOOS Jr. survey score calculator

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The raw score ranges from 0 to 24. This raw score is converted to an interval score.
The interval score ranges from 0 to 100 where 0 represents total knee disability and 100 represents perfect knee health.

About the score:

Originally published in 2016 in Clinical Orthopaedics and Related Research, the Hip Disability and Osteoarthritis Outcome Score, Joint Replacement (HOOS, JR) is a short form of the HOOS that assesses patient pain (2 items), and functions of daily living (4 items). Scores range from 0 to 100 with a score of 0 indicating total hip disability and 100 indicating perfect hip health. This is a patient reported joint-specific score designed to evaluate outcomes after total hip arthroplasty.

Original Literature:

Lyman, Stephen, et al. “Validation of the HOOS, JR: a short-form hip replacement survey.” Clinical Orthopaedics and Related Research® 474.6 (2016): 1472-1482.

Validation Literature:

Hung, Man, et al. “Evaluating instrument responsiveness in joint function: The HOOS JR, the KOOS JR, and the PROMIS PF CAT.” Journal of Orthopaedic Research (2017).

Additional Literature:

Lyman, Stephen, and Chisa Hidaka. “Patient-Reported Outcome Measures—What Data Do We Really Need?.” The Journal of arthroplasty 31.6 (2016): 1144-1147.

About the score developer:

Dr. Douglas E. Padgett, M.D. is the Chief of Adult Reconstruction and Joint Replacement Service at the Hospital for Special Surgery and is an Associate Professor of Orthopaedic Surgery at Weill Cornell Medical College.

To view his publications, please visit PubMed.