Table 3.

Semi-quantitative scoring identifiers used for relative frequency determination of immunopositive factors.

Legend	Description
0	No immunopositive factors in the visual field
0/+	Rare occurrence of immunopositive factors in the visual field
+	Few immunopositive factors in the visual field
+/++	Few to moderate number of immunopositive factors in the visual field
++	Moderate number of immunopositive factors in the visual field
++/+++	Moderate to abundant immunopositive factors in the visual field
+++	Abundance of immunopositive factors in the visual field