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Comparison between preoperative and 6-month postoperative K values.
| Preoperative | 6-month postoperation | P value | |
|---|---|---|---|
| K max value (D) | |||
| Mean (SD) | 50.39 (2.14) | 44.22 (2.17) | <0.001** |
| K min value (D) | |||
| Mean (SD) | 45.85 (1.94) | 42.14 (2.53) | <0.001** |
| K mean value (D) | |||
| Mean (SD) | 48.11 (1.95) | 43.31 (2.31) | <0.001** |
Note: SD: standard deviation; D: diopter; significances are based on paired t-test. ** P < 0.01. K min: minimum curvature; K max: maximum curvature; K mean: mean curvature.
