Table 2.
Correlation of MEBD, ACD, and ACV difference with preoperative and postoperative data
| MEBD | ACD difference | ACV difference | ||||
|---|---|---|---|---|---|---|
| r | p* | R | p* | r | p* | |
| Age | 0.05 | 0.63 | 0.10 | 0.27 | −0.01 | 0.98 |
| Preoperative sphere | 0.12 | 0.23 | 0.30 | < 0.01 | 0.05 | 0.61 |
| Preoperative astigmatism | 0.04 | 0.71 | 0.12 | 0.21 | −0.06 | 0.51 |
| Preoperative SE | 0.19 | 0.05 | 0.32 | < 0.01 | 0.05 | 0.66 |
| Preoperative K1 (anterior) | −0.31 | < 0.01 | −0.06 | 0.56 | 0.06 | 0.58 |
| Preoperative K2 (anterior) | −0.38 | < 0.01 | −0.07 | 0.50 | 0.04 | 0.72 |
| Preoperative Kmean (anterior) | −0.36 | < 0.01 | −0.06 | 0.58 | 0.03 | 0.74 |
| Preoperative pachymetry | −0.06 | 0.51 | 0.25 | < 0.01 | 0.05 | 0.62 |
| Ablation depth | −0.20 | 0.03 | 0.33 | < 0.01 | −0.06 | 0.55 |
| Residual stroma | 0.06 | 0.52 | −0.35 | < 0.01 | 0.05 | 0.59 |
| AD/P | −0.20 | 0.03 | 0.36 | < 0.01 | 0.02 | 0.87 |
MEBD maximum elevation back difference, ACD anterior chamber depth, ACV anterior chamber volume, SE spherical equivalent, K1 flattest keratometry, K2 steepest keratometry, Kmean mean keratometry, AD/P ablation depth/preoperative pachymetry
*Pearson correlation analysis. Correlation is significant at p < 0.05 level, with significant p-values highlighted in bold within the table