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Comparison of corneal irregularity between the control and comparison groups.
| Preoperative corneal irregularity (diopters) | |||
|---|---|---|---|
| Item | Control group | Comparison group | p-value |
| 3.0 mm zone | 1.44 ± 0.59 | 1.41 ± 0.44 | 0.779 |
| 5.0 mm zone | 2.06 ± 2.38 | 1.60 ± 0.36 | 0.235 |
| Postoperative corneal irregularity (diopters) | |||
| Item | Control group | Comparison group | p-value |
| 3.0 mm zone | 2.27 = ±3.01 | 1.19 ± 0.34 | 0.033 |
| 5.0 mm zone | 2.31 ± 0.62 | 1.40 ± 0.39 | <0.0001 |
