Table 2.
Comparisons RNFL variables between patients with primary insomnia and healthy controls.
| Insomnia N = 52 |
Healthy Controls N = 45 |
z/t | p Value | |
|---|---|---|---|---|
| RNFL-G (mean ± SD) | 101.32 ± 9.12 | 105.48 ± 7.81 | z = −2.260 | 0.024 * |
| RNFL-T (mean ± SD) | 73.53 ± 12.35 | 76.53 ± 12.41 | z = −1.299 | 0.194 |
| RNFL-TS (mean ± SD) | 140.94 ± 19.69 | 141.71 ± 19.01 | z = −0.416 | 0.677 |
| RNFL-TI (mean ± SD) | 144.19 ± 26.93 | 139.28 ± 29.98 | z = −0.651 | 0.515 |
| RNFL-N (mean ± SD) | 77.53 ± 12.88 | 78.35 ± 14.58 | z = −0.916 | 0.360 |
| RNFL-NS (mean ± SD) | 122.28 ± 25.13 | 117.06 ± 25.13 | t = 1.062 | 0.288 |
| RNFL-NI (mean ± SD) | 109.76 ± 21.84 | 118.84 ± 25.64 | z = −2.591 | 0.010 * |
RNFL, retinal nerve fiber layer; TS, temporal superior; TI, temporal inferior; NS, nasal superior; NI, nasal inferior. *, The significant threshold 0.05.