Neural capacity and thickness of retinal nerve fibre layer
| Total (n=41) Mean (SD) | HNTG (n=20) Mean (SD) | LNTG (n=21) Mean (SD) | HNTG v LNTG p Value | |
|---|---|---|---|---|
| Neural capacity (%) | ||||
| Total | 58.1 (23.1) | 57.5 (25.0) | 58.8 (21.8) | 0.8576 |
| Superior | 17.3 (6.4) | 17.0 (6.9) | 17.5 (6.0) | 0.8164 |
| Temporal | 26.0 (11.4) | 25.2 (12.2) | 26.7 (10.9) | 0.6805 |
| Inferior | 11.6 (6.4) | 12.1 (6.8) | 11.0 (6.1) | 0.5926 |
| Nasal | 4.1 (1.3) | 3.9 (1.2) | 4.3 (1.4) | 0.3504 |
| Thickness of retinal nerve fibre layer (μm) | ||||
| Total | 62.6 (15.9) | 63.4 (16.5) | 61.9 (15.7) | 0.7710 |
| Superior quadrant | 72.9 (22.1) | 72.1 (22.3) | 73.7 (22.4) | 0.8222 |
| Temporal quadrant | 52.1 (23.9) | 52.8 (24.0) | 51.4 (24.4) | 0.8598 |
| Inferior quadrant | 72.2 (20.8) | 73.5 (20.8) | 71.0 (21.2) | 0.7057 |
| Nasal quadrant | 52.3 (13.3) | 54.0 (13.4) | 50.7 (13.2) | 0.4387 |
HNTG = normal tension glaucoma with intraocular pressure between 16 and 21 mm Hg; LNTG = normal tension glaucoma with intraocular pressure below 15 mm Hg.
↵Quadrant neural capacity corresponding to retinal nerve fibre layer in the superior quadrant.
↵Quadrant neural capacity corresponding to retinal nerve fibre layer in the temporal quadrant.
↵Quadrant neural capacity corresponding to retinal nerve fibre layer in the inferior quadrant.
↵Quadrant neural capacity corresponding to retinal nerve fibre layer in the nasal quadrant.