Annual percentage reduction of rim sector areas (average and SD) in diabetic non-glaucoma subjects (DN) and glaucoma cases (DG) along with the degree of significance (p)
| Rim sector | DN | DG | P value |
| % sector 311°–40° (T) | +0.15 ± 1.37 | −0.19±1.31 | 0.0009 |
| % sector 41°–80° | −0.20±0.91 | −0.44±1.39 | 0.0161 |
| % sector 81°–120° | −0.45±0.89 | −0.81±1.35 | 0.0006 |
| % sector 121°–230° (N) | −0.63±1.12 | −1.02±1.55 | 0.0010 |
| % sector 231°–270° | −0.46±1.16 | −0.87±1.6 | 0.0010 |
| % sector 271°–310° | −0.19±1.18 | −0.53±1.32 | 0.0010 |
DG, glaucoma group; DN, non-glaucoma group.