Fig. 5: Relationship between serum C1q and CSF sTREM2.

A multiple linear regression model was used to examine the associations between levels of serum C1q and CSF sTREM2, adjusting for age, gender, education, APOE ɛ4 status. Abbreviations: C1q Complement 1q, CSF cerebrospinal fluid, sTREM2 soluble triggering receptor expressed on myeloid cells 2.