Figure 2
From: Oxidant/antioxidant state in tissue of prymary and recurrent pterygium
Genders differences. Levels of NO (A), TAS (B), GPx (C), SOD (D) and CAT (E), in the three groups: the control group (C), the primary pterygium group (PP) and recurrent pterygium group (RP). * - p < 0.05, ** - p < 0.01 regarding gender differences within each group; a - p < 0.05, aa - p < 0. 01 compared to the same sex of the control group; & - p < 0.05, && - p < 0.01 when comparing the same sex between the PP and RP groups; m = male; f = female.