Table 1.
Demographic information of the population enrolled in the study.
| Parameter | Values | P ∗ | |
|---|---|---|---|
| G 1 | G 2 | ||
| Number of patients (eyes) | 30 (30) | 32 (32) | — |
| Sex (male : female) | 14 : 16 | 15 : 17 | — |
| Mean age ± SD, years | 26.3 ± 4.2 | 24.8 ± 5.5 | 0.33 |
| Age range, years | 21 to 31 | 22 to 33 | — |
| Gender (male/female) | 6/8 | 7/6 | — |
| Mean refractive cylinder ± SD, D | −2.9 ± 1.6 | −2.7 ± 1.4 | 0.23 |
| Range of refractive cylinder, D | −1.25 to −4.25 | −1.4 to −4.3 | — |
| Mean refractive sphere ± SD, | −2.2 ± 1.82 | −1.8 ± 1.56 | 0.12 |
| Range of refractive sphere, D | −0.50 to −3.75 | −0.25 to −3.9 | — |
| MRSE (D) | −3.7 ± 2.4 | −3.8 ± 2.6 | 0.52 |
| K max D | 49.1 ± 4.1 | 48.3 ± 5.4 | 0.34 |
| Thinnest pachymetry, um | 466 ± 42 | 475 ± 49 | 0.81 |
P ∗: unpaired t-test for comparison between the 2 groups.
D: diopter.
MRSE: mean refractive spherical equivalent.
K max: maximum keratometry.