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Gender-specific response in pain and function to biologic treatment of knee osteoarthritis : a gender-bias-mitigated, observational, intention-to-treat study at two years

Borg, TM, Heidari, N, Noorani, A, Slevin, M ORCID logoORCID: https://orcid.org/0000-0003-3767-4861, Cullen, A, Olgiati, S, Zerbi, A, Danovi, A and Wilson, A (2021) Gender-specific response in pain and function to biologic treatment of knee osteoarthritis : a gender-bias-mitigated, observational, intention-to-treat study at two years. Stem Cells International, 2021. p. 6648437. ISSN 1687-966X

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Abstract

Knee osteoarthritis is a major cause of disability worldwide. Newer modalities of treatment with less morbidity, such as intra-articular injection of microfragmented fat (MFAT), are showing promise. We report on our novel observation that women show a greater improvement in pain and function to MFAT than men. Traditionally, women have been underrepresented in studies and studies with both sexes regularly fail to analyze the results by sex. To mitigate for this bias and quantify it, we describe a technique using reproducible statistical analysis and replicable results with Open Access statistical software R to calculate the magnitude of this difference. Genetic, hormonal, environmental, and age factors play a role in our observed difference between the sexes. There is a need for further studies to identify the molecular basis for this difference and be able to utilize it to improve outcome for both women and men.

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