Table 2.
Comparison of the circumpapillary retinal nerve fibre layer and macular ganglion cell inner plexiform layer thickness measurements among three groups.
| Control (n = 39) | POAG (n = 32) | PACG (n = 30) | p* | p** | p*** | |
|---|---|---|---|---|---|---|
| Average cpRNFL thickness (μm) | 94.87 ± 8.76 | 71.59 ± 11.73 | 75.87 ± 15.55 | 0.000 | 0.000 | 0.449 |
| 12-sector cpRNFL thickness (μm) | ||||||
| 12 clock-hour | 125.79 ± 37.41 | 93.75 ± 27.19 | 97.67 ± 26.67 | 0.000 | 0.002 | 0.835 |
| 1 clock-hour | 108.97 ± 27.17 | 84.72 ± 21.16 | 83.73 ± 24.78 | 0.000 | 0.000 | 0.985 |
| 2 clock-hour | 79.79 ± 12.99 | 69.88 ± 11.35 | 69.93 ± 15.04 | 0.003 | 0.016 | 1.000 |
| 3 clock-hour | 60.64 ± 9.80 | 59.88 ± 12.41 | 58.57 ± 14.33 | 0.957 | 0.776 | 0.922 |
| 4 clock-hour | 61.92 ± 9.19 | 60.47 ± 13.71 | 59.17 ± 14.54 | 0.865 | 0.638 | 0.930 |
| 5 clock-hour | 95.08 ± 21.74 | 70.09 ± 21.09 | 75.67 ± 22.55 | 0.000 | 0.002 | 0.578 |
| 6 clock-hour | 130.13 ± 24.02 | 74.66 ± 22.64 | 91.43 ± 24.70 | 0.000 | 0.000 | 0.020 |
| 7 clock-hour | 140.69 ± 20.61 | 72.63 ± 26.98 | 103.83 ± 24.17 | 0.000 | 0.000 | 0.000 |
| 8 clock-hour | 71.69 ± 14.13 | 57.75 ± 18.55 | 61.07 ± 11.24 | 0.003 | 0.003 | 0.669 |
| 9 clock-hour | 57.95 ± 9.25 | 52.09 ± 14.72 | 53.13 ± 10.64 | 0.134 | 0.129 | 0.945 |
| 10 clock-hour | 83.54 ± 17.89 | 66.81 ± 26.27 | 71.27 ± 17.52 | 0.009 | 0.016 | 0.711 |
| 11 clock-hour | 120.82 ± 21.52 | 94.63 ± 32.76 | 97.8 ± 29.76 | 0.001 | 0.002 | 0.916 |
| Macular GCIPL thickness (μm) | ||||||
| Average | 79.72 ± 13.42 | 66.66 ± 10.12 | 73.70 ± 8.69 | 0.000 | 0.070 | 0.013 |
| Superior | 80.03 ± 13.48 | 69.59 ± 13.07 | 75.47 ± 11.49 | 0.004 | 0.291 | 0.153 |
| Superior nasal | 83.05 ± 14.55 | 71.59 ± 13.24 | 76.73 ± 10.37 | 0.003 | 0.096 | 0.211 |
| Inferior nasal | 80.03 ± 14.01 | 67.38 ± 11.35 | 74.27 ± 9.86 | 0.000 | 0.120 | 0.035 |
| Inferior | 78.61 ± 7.98 | 61.16 ± 10.32 | 70.00 ± 9.48 | 0.000 | 0.001 | 0.002 |
| Inferior temporal | 79.21 ± 13.26 | 61.53 ± 8.97 | 71.70 ± 10.77 | 0.000 | 0.031 | 0.000 |
| Superior temporal | 79.26 ± 11.94 | 68.44 ± 10.76 | 73.97 ± 10.84 | 0.000 | 0.141 | 0.117 |
Values are presented as mean ± standard deviation unless otherwise indicated. *Comparison between the control and POAG groups (Games-Howell post-hoc test). **Comparison between the control and PACG groups (Games-Howell post-hoc test). ***Comparison between the POAG and PACG groups (Games-Howell post-hoc test). cpRNFL, circumpapillary retinal nerve fibre layer; GCIPL, ganglion cell inner plexiform layer; PACG, primary angle-closure glaucoma; POAG, primary open-angle glaucoma.