Table 2
Morphometric optic disc data (mean (SD))
| Normal group | Ocular hypertensive group | p Value | Glaucoma group | p Value | |
|---|---|---|---|---|---|
| Number | 527 | 100 | 202 | ||
| Ratio inferior to temporal rim width | 1.67 (0.53) | 1.48 (0.53) | 0.0002 | 1.38 (0.57) | <0.0001 |
| Ratio superior to temporal rim width | 1.56 (0.49) | 1.41 (0.43) | 0.004 | 1.38 (0.51) | <0.0001 |
| Neuroretinal rim width (mm) | |||||
| Inferior | 0.47 (0.12) | 0.35 (0.10) | <0.0001 | 0.32 (0.12) | <0.0001 |
| Superior | 0.44 (0.12) | 0.34 (0.10) | <0.0001 | 0.31 (0.11) | <0.0001 |
| Temporal | 0.30 (0.10) | 0.25 (0.08) | <0.0001 | 0.24 (0.09) | <0.0001 |
| Optic disc area (mm2) | 2.76 (0.63) | 2.70 (0.56) | 0.49 (NS) | 2.68 (0.59) | 0.17 (NS) |
| Horizontal cup to disc ratio | 0.61 (0.13) | 0.67 (0.11) | <0.0001 | 0.69 (0.10) | <0.0001 |
| Vertical cup to disc ratio | 0.54 (0.13) | 0.65 (0.10) | <0.0001 | 0.67 (0.11) | <0.0001 |
| Ratio vertical to horizontal disc diameter | 1.08 (0.09) | 1.08 (0.09) | 0.63 (NS) | 1.08 (0.09) | 0.41 (NS) |
-
↵p Value=significance of difference between the preceding group and the normal group; NS=statistically not significant.
