Fig. 5

The funnel plot represents IVs for each significant causal association between metabolites and OA phenotypes. A ADpSGEGDFXAEGGGVR* on hip OA, (B) 4-acetaminophen sulfate on hip OA, (C) arginine on hip OA, (D) kynurenine on knee/hip OA, (E) isovalerylcarnitine on hand OA, (F) 1-linoleoylglycerophosphocholine on hand OA, (G) X-11423–O-sulfo-L-tyrosine on hand OA, (H) 1-linoleoylglycerophosphocholine on finger OA, (I) X-11423–O-sulfo-L-tyrosine on thumb OA, (J) taurocholate on thumb OA OA osteoarthritis