IL10 and malaria: A subgroup analysis based on the age groups showed no difference in the SMD of the IL-10 level between patients with severe malaria and those with non-severe malaria among studies that enrolled adults (p = 0.06, pooled SMD: 1.00, 95% CI: −0.03–2.04, I2: 96.12%, 7 studies), children (p = 0.32, pooled SMD: 0.55, 95% CI: −0.52–1.62, I2: 98.15%, 10 studies), and participants of all age groups (p = 0.31, pooled SMD: 0.77, 95% CI: −0.73–2.27, I2: 61.69%, 3 studies/4 sub-studies, Figure 6).