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Polar value analysis.
| Preoperative polar value (D) | Postoperative polar value (D) | Polar value change (D) | P ∗ | P † | ||||
|---|---|---|---|---|---|---|---|---|
| AKP(+0) | AKP(+45) | AKP(+0) | AKP(+45) | ΔAKP(+0) | ΔAKP(+45) | ΔAKP(+0) | ΔAKP(+45) | |
| 7.29 ± 3.52 | 0 | 5.82 ± 4.29 | −0.50 ± 2.50 | −1.46 ± 2.80 | −0.50 ± 2.50 | 0.006 | 0.005 | 0.252 |
∗Hotelling's trace between preoperative and postoperative keratometry; †univariate analysis for ΔAKP(+0) and ΔAKP(+45).
