We're live! We are excited to announce the launch of OAIKnowledgebase.com.

We're ready to assist you with any questions or help you may have regarding the OAI. Contact us through our Engagement Services.

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What's coming?

• OAI Explorer - See what data is available in the OAI and conduct basic descriptive analyses
• OAI Biospecimen Database - Check out which biospecimen (and how much) each OAI participant has in the OAI Biospecimen Repository
• OAI Connector - Find and collaborate with other investigators using the OAI.
• OAI Learning Lab - Downloadable datasets to support lecturers in teaching challenging analytical techniques.

Funding Opportunity: MOST Pilot & Feasibility Grant Program | Multicenter Osteoarthritis Study (MOST)

Feb 9 – Jeffrey Driban

Current State of the OAI Data Usage and Intro to the

OAI Knowledgebase

March 9 – Jamie Collins

FNIH OAI Data

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April 13 – Michelle Yau

OAI Genetics Data 

May 11 – Chuck McCulloch

Longitudinal and Hierarchical Analytic Strategies

June 8 – Grace Lo

Lifetime Physical Activity

New Release: The state of the Osteoarthritis Initiative (OAI): Entering a new era.

Driban JB, Patarini JC, Liu SH, McAlindon TE, Lapane KL, Lemon SC, Zai AH, Nevitt MC, Hochberg MC, Cauley JA, Eaton CB, Rubin S, Schneider E, Lo GH. The state of the Osteoarthritis Initiative (OAI): Entering a new era. Semin Arthritis Rheum.

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Choi BS, Hong SH, Lee HJ, Kim SH. Performance of an Artificial Intelligence-Based Software for Automated Kellgren-Lawrence Grading of Knee Osteoarthritis: A Multicenter Cohort Study. J Arthroplasty.

Moghe S, Jindal L. DeciViT-Knee 2025 as Precision Fuzzy Techniques of Decision Trees and VIT in Analysis of Knee Osteoarthritis. J Vis Exp.

Moorthy C, Shafeek A, Gurunathan V, Sudhakar R. 3D CSFA-UNet: a unified attention-driven deep learning framework for accurate knee MRI segmentation and osteoarthritis severity classification. Sci Rep.