Table 1.
Demographic and clinical characteristics of the study population
| Normal (n = 67) | PPG (n = 67) | P value | |
|---|---|---|---|
| Years of Age | 45.3 ± 15.4 | 48.3 ± 11.1 | 0.191 |
| Male/Female | 29/39 | 33/35 | 0.082 |
| SE (D) | −4.25 ± 4.13 | −4.62 ± 3.40 | 0.572 |
| AL (mm) | 25.35 ± 1.76 | 25.60 ± 1.37 | 0.375 |
| IOP (mmHg) | 16.2 ± 3.4 | 18.4 ± 3.1 | 0.030 |
| CCT (μm) | 557 ± 37 | 566 ± 36 | 0.218 |
| MD (dB) | −1.06 ± 1.41 | −1.35 ± 1.61 | 0.265 |
| PSD (dB) | 1.83 ± 0.74 | 1.77 ± 0.58 | 0.596 |
| VFI (%) | 98.9 ± 0.97 | 98.6 ± 1.61 | 0.189 |
PPG, preperimetric glaucoma; SE, spherical equivalent; AL, axial length; IOP, intraocular pressure; CCT, central corneal thickness; MD, mean deviation; PSD, pattern standard deviation; VFI, visual field index