Skip to main content
. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Arthritis Rheumatol. 2020 Jan 22;72(3):420–427. doi: 10.1002/art.41125

Figure 1.

Figure 1.

Directed acyclic graph (DAG) representing the natural indirect effect (that is mediated by changes in bone marrow lesion, synovitis, patella and wrist sensitization, or depressive symptoms; X to Y pathway through M) and the natural direct effect (that is not mediated; X to Y pathway not passing through M) of weight loss on knee pain improvement.

BML, bone marrow lesion; PPT, pressure pain threshold; CES-D, Center for Epidemiologic Studies Depression scale