Mean values, standard deviation (SD), range, and 95% confidence interval (CI) for each of the RNFL and ONH parameters considered in this study
| Mean | SD | Range | 95% CI | |
|---|---|---|---|---|
| RNFL, retinal nerve fibre layer; ONH, optic nerve head. | ||||
| RNFL | ||||
| 360° average (μm) | 101.52 | 11.09 | 78.43–130.75 | 98.49 to 104.56 |
| Temporal quadrant (μm) | 69.94 | 13.17 | 42–109 | 66.34 to 73.54 |
| Superior quadrant (μm) | 124.29 | 16.59 | 91–163 | 119.76 to 128.83 |
| Nasal quadrant (μm) | 81.24 | 17.95 | 46–133 | 76.33 to 86.14 |
| Inferior quadrant (μm) | 129.83 | 19.26 | 66–184 | 124.57 to 135.09 |
| ONH | ||||
| Optic disc area (mm2) | 2.09 | 0.32 | 1.55–2.94 | 2 to 2.18 |
| Cup area (mm2) | 0.41 | 0.27 | 0–1.24 | 0.33 to 0.49 |
| Rim area (mm2) | 1.67 | 0.33 | 0.85–2.53 | 1.58 to 1.77 |
| Cup/disc vertical ratio | 0.42 | 0.18 | 0–0.71 | 0.37 to 0.47 |
| Cup/disc horizontal ratio | 0.38 | 0.15 | 0–0.62 | 0.34 to 0.42 |
| Vertical diameter (mm) | 1.68 | 0.14 | 1.44–2.03 | 1.64 to 1.72 |
| Horizontal diameter (mm) | 1.55 | 0.14 | 1.32–1.96 | 1.51 to 1.59 |