Observational study finds negative correlation between hemoglobin-to-red blood cell ratio and osteoarthritis, suggesting it may be a biological marker.
HRR is negatively correlated with the risk of OA and may serve as a potential relevant biological marker. Future studies could further confirm the linkage between HRR and OA by integrating imaging assessments with clinical evaluations.
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Zhou et al. (2026) studied this question.
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