The effect of marine-derived n-3 PUFAs supplementation on CRP, IL-6 in healthy subjects (data were log-transformed before analysis).

N, number of included studies (or comparisons); NA, not associated with this item.
Unit for CRP: mg/L; unit for IL-6: pg/mL.
Data expressed in bold indicated that subgroup difference was significant (P for subgroup difference <0.05), and subgroup “not reported” was not included in the significance test for subgroup difference.