9.114. Routine Assessment of Patient Index Data (RAPID3)

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An index to assess and monitor patients with rheumatoid arthritis, without formal joint counts.

RAPID3 includes an assessment of physical function, a patient global assessment (PGA) for pain, and a PGA for global health.

To calculate RAPID3, the raw 0–3 scores for physical function from 10 questions of the multidimensional Health Assessment Questionnaire (MDHAQ) are summed (totalling 0–30) and converted to 0–10 by dividing by 3. Pain and global health are assessed according to 10 cm “patient global assessment (PGA)” visual analogue scales (VAS), both scoring 0–10. The three 0–10 scores (for physical function, pain VAS and global VAS) are added together for a raw score of 0–30 (the “RAPID3 cumulative score”). This is sometimes divided by 3 to give an adjusted 0–10 score for comparison with other RAPID indices.

9.114.1. Intellectual property rights

Email from Amanda Rosett at RWS to Joel Parkinson on 7th December 2020:

https://www.the-rheumatologist.org/article/remote-use-of-the-multidimensional-health-assessment-questionnaire-mdhaq/4/ states “Dr. Theodore Pincus is president of Medical History Services LLC and holds a copyright and trademark on MDHAQ and RAPID3, for which he receives royalties and license fees, all of which are used to support further development of quantitative questionnaire measurements for patients and doctors in clinical rheumatology care.”

https://www.corptransinc.com/sites/mdhaq-rapid3/instrument-information/permissions-licenses states “The MDHAQ/RAPID3 is available to academic researchers without fees.” and “Implementation of the MDHAQ/RAPID3 in an electronic medical record (EMR) is subject to a royalty or license fee, which goes for support of further development of the MDHAQ/RAPID3.”

[...]

With respect to integration into CamCOPS - individual users must obtain a
license for use of the RAPID-3 for their projects. Therefore, we can't
allow the RAPID-3 to be hosted and made publicly available at no cost. The
RAPID-3 can be integrated and administered via tablet device for any user
who has a license to use the scale in their individual project/clinic.

[... Licensing Solutions Lead for RWS Life Sciences (rws.com) to Joel
Parkinson, 7 Dec 2020]

9.114.2. History

MDHAQ:

  • Pincus T, Swearingen C, Wolfe F (1999). Toward a multidimensional health assessment questionnaire (MDHAQ): Assessment of advanced activities of daily living and psychological status in the patient‐friendly health assessment questionnaire format. Arthritis Rheum. 42(10):2220-30. https://pubmed.ncbi.nlm.nih.gov/10524697/

    [RAPID3 includes a subset of the core variables found in the MDHAQ (Q1a-h, k, n-o, q-r) and the PGA for pain (Q2)]

RAPID3:

  • Pincus T, Swearingen CJ, Bergman M, Yazici Y (2008). RAPID3 (routine assessment of patient index data 3), a rheumatoid arthritis index without formal joint counts for routine care: proposed severity categories compared to DAS and CDAI categories. J Rheumatol 2008;35:2136–47. https://pubmed.ncbi.nlm.nih.gov/18793006/

  • Pincus T, Yazici Y, Bergman MJ (2009). RAPID3, an index to assess and monitor patients with rheumatoid arthritis, without formal joint counts: similar results to DAS28 and CDAI in clinical trials and clinical care. Rheum Dis Clin North Am. 35(4):773-8, viii. https://pubmed.ncbi.nlm.nih.gov/19962621/