Figure 5 of Dong, Mol Vis 2013; 19:1734-1746.

Figure 5. Relationship between the severity of diabetic retinopathy (DR) and the aqueous interferon gamma-induced protein-10 (IP-10) level. The results by measuring cytokines in the aqueous humor samples shows that the IP-10 level in aqueous humor increased with increasing severity of DR, and this correlation was significant (r=0.674, p<0.001). Table 3 shows the sampling sizes for each group according to the ETDRS retinopathy severity scale.