Table 1.
Demographic and preoperative patient information (mean ± SD)
| Parameter | Group H | Group M | t | p |
|---|---|---|---|---|
| Eye (n) | 65 | 132 | ||
| Sex (M/F) | 31/34 | 77/56 | ||
| Age (y) | 24.46 ± 7.34 (18 to 47) | 23.84 ± 5.92 (18 to 47) | 0.64 | 0.52 |
| IOP (mmHg) | 15.80 ± 2.12 (11 to 23) | 15.48 ± 2.36 (10 to 23) | 0.93 | 0.36 |
| CCT (μm) | 552.58 ± 25.61 (502 to 616) | 541.52 ± 28.03 (482 to 627) | 1.66 | 0.10 |
| Mean corneal power (D) | 43.16 ± 1.42 (40.60 to 46.55) | 43.24 ± 1.25 (41.25 to 45.95) | −0.42 | 0.67 |
| SE (D) | −7.32 ± 0.99 (−6.00 to −9.88) | −4.45 ± 1.01 (− 1.13 to − 5.88) | − 18.85 | 0.00* |
| Sphere (D) | −6.94 ± 1.00 (− 5.00 to − 9.75) | −4.13 ± 1.00 (− 0.75 to − 5.75) | − 18.60 | 0.00 |
| Cylinder (D) | −0.76 ± 0.68 (0 to − 3.00) | −0.64 ± 0.50 (0 to − 2.75) | −1.35 | 0.18 |
| Lenticule thickness (μm) | 128.48 ± 10.27 (109 to148) | 92.23 ± 15.53 (50 to 120) | 19.51 | 0.00* |
| Lenticule diameter (mm) | 6.52 ± 0.14 (6.1 to 6.6) | 6.58 ± 0.05 (6.1 to 6.6) | −5.84 | 0.00* |
SD standard deviation, D diopters, SE spherical equivalent, CCT central corneal thickness, IOP intraocular pressure, Group H high myopia group, Group M mild to moderate myopia group.*p < 0.05