Table 1.
Temporal TIA500 in the right phakic eyes (SS-OCT)
| N (%) | TIA500 (degrees)
|
P-value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Range | 5th percentile | 10th percentile | 20th percentile | 90th percentile | |||
| Gender | 0.015 | ||||||||
| Male | 294 (45.4) | 28.30 | 11.40 | 0.0–62.6 | 10.3 | 14.0 | 17.8 | 43.6 | |
| Female | 353 (54.6) | 25.98 | 12.46 | 0.0–67.8 | 5.8 | 11.0 | 14.9 | 43.1 | |
| Age group (years) | 0.81 | ||||||||
| 40–49 | 102 (15.8) | 27.60 | 12.20 | 0.0–62.1 | 8.8 | 13.1 | 17.1 | 43.2 | |
| 50–59 | 160 (24.7) | 27.18 | 12.33 | 0.0–63.1 | 4.9 | 11.2 | 17.0 | 42.9 | |
| 60–69 | 213 (32.9) | 27.27 | 11.32 | 0.0–67.8 | 10.8 | 14.0 | 17.0 | 44.3 | |
| 70–79 | 172 (26.6) | 26.30 | 12.58 | 0.0–62.6 | 5.2 | 10.3 | 15.2 | 42.7 | |
| Refractive error | <0.01 | ||||||||
| Myopia | 182 (28.1) | 32.17 | 11.34 | 2.7–67.8 | 13.2 | 17.4 | 23.7 | 45.6 | |
| Emmetropia | 228 (35.2) | 25.92 | 11.98 | 0.0–63.1 | 6.4 | 11.6 | 16.6 | 41.7 | |
| Hyperopia | 154 (23.8) | 22.71 | 10.69 | 0.0–55.7 | 4.9 | 10.7 | 13.9 | 37.6 | |
| Total | 647 (100) | 27.04 | 12.04 | 0.0–67.8 | 8.8 | 12.5 | 16.8 | 43.8 | |
Note: Refractive error (SE) was defined as follows: myopia as mean SE ≤−1 D, emmetropia as mean SE ≤1 D and >−1 D and hyperopia as mean SE >1 D.
Abbreviations: TIA500, trabecular iris angle at 500 µm; SS-OCT, swept-source optical coherence tomography; SD, standard deviation; SE, spherical equivalent.