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Expression of circRNA-UBE2G1, miR‑373, and HIF-1a in OA. (a–c) Relative circRNA-UBE2G1, miR‑373, and HIF-1a expression in OA tissues and normal tissues; (d, f) CircRNA-UBE2G1 and HIF-1a expression were positively associated with high modified Mankin scores; (e) MiR‑373 expression was negatively associated with modified Mankin scores. *P < 0.05.
