Research Article

Increased Serum Interleukin-2 Levels Are Associated with Abnormal Peripheral Blood Natural Killer Cell Levels in Patients with Active Rheumatoid Arthritis

Figure 4

Heatmap of correlation of the serum cytokine levels of IL-2, IL-4, IL-6, IL-10, INF-γ, TNF-α with ESR, CRP, VAS, DAS28, disease duration, WBC, Hb, PLT, LY, RF, and anti-CCP in RA patients. (, , and by Spearman’s correlation test).