CXCL8 and infection: Separately adjusting for years of education, Charlson comorbidity index and TOAST categories, or excluding participants with infections in the acute phase or CRP > 10 mg/L at Day 1, did not substantially affect the models for participants either with normal or with impaired cognition post-stroke (data only shown for TNF, IL-8 and MIP 1α, Supplementary Fig. 6–8 ).