Figure 2

Studies of peripheral blood TNF-α and TNFR1. Forest plot displaying random effects meta-analysis results of the association between TNF- α (A), TNFR1 (B) and ALS. The sizes of the squares are proportional to study weights.
Studies of peripheral blood TNF-α and TNFR1. Forest plot displaying random effects meta-analysis results of the association between TNF- α (A), TNFR1 (B) and ALS. The sizes of the squares are proportional to study weights.