Table 1.
Evaluation of the parameters between groups.
| Characteristics | Group 1 | Group 2 | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | 1 P | |
| n | 17 | 17 | |
| Gender | |||
| Male/female | 11/6 | 8/9 | 2 0.490 |
| Age, year | 23.82 ± 3.94 | 25.05 ± 3.68 | 0.352 |
| K1 (D) | 45.57 ± 1.30 | 46.35 ± 1.83 | 0.168 |
| K2 (D) | 48.91 ± 1.45 | 49.49 ± 2.19 | 0.372 |
| Kaverage (D) | 47.26 ± 1.96 | 47.93 ± 1.84 | 0.312 |
| Cylindrical value (D) | 3.27 ± 1.09 | 3.14 ± 1.58 | 0.780 |
| Kapex (D) | 56.48 ± 2.86 | 56.95 ± 3.38 | 0.664 |
| Central Corneal | |||
| Thickness (μm) | 442.41 ± 25.23 | 450.23 ± 29.60 | |
| Depth of demarcation line (μm) | |||
| AS-OCT | 208.64 ± 18.41 | 240.37 ± 18.89 | 0.001 ** |
| Confocal microscopy | 210.29 ± 18.66 | 239.37 ± 20.07 | 0.001 ** |
1Student's t-test; 2continuity (Yates) correction.
SD: standard deviation, n: number of the patients, K: keratometry, D: diopter, μm: micrometer, and CYL: cylindrical values.
**Refers to (P < 0.01).