Table 3.
Preoperative visual acuity and postoperative visual outcome and endothelial cell loss in the DALK and PK groups.
| DALK (mean ± SD) n = 50 |
PK (mean ± SD) n = 40 |
P | ||
|---|---|---|---|---|
| BCVA | Preoperative | 0.039 ± 0.037 | 0.038 ± 0.056 | 0.24 |
| 6 months | 0.49 ± 0.17 | 0.48 ± 0.17 | 0.48 | |
| 12 months | 0.54 ± 0.17 | 0.52 ±0.14 | 0.41 | |
| logMAR | Preoperative | 1.41 ± 1.43 | 1.42 ± 1.25 | 0.24 |
| 6 months | 0.31 ± 0.77 | 0.32 ± 0.77 | 0.48 | |
| 12 months | 0.27 ± 0.77 | 0.29 ± 0.85 | 0.42 | |
| Refractive astigmatism (D) | 6 months | 2.50 ± 1.41 | 2.01 ± 0.94 | 0.00196 |
| 12 months | 2.48 ± 0.859 | 1.89 ± 0.86 | 0.00096 | |
| Endothelial cell loss cells/mm 2 (%) | Preoperative | 3035.56 ± 254.92 (100) |
3091.80 ± 263.86 (100) |
0.98 |
| 6 months | 2920.82 ± 245.28 (3.78 ± 2.10) |
2456.13 ± 209.61 (20.56 ± 10.11) |
<0.0001 | |
| 12 months | 2808.20 ± 133.49 (7.49 ± 2.93) |
1755.83 ± 149.85 (43.21 ± 13.04) |
<0.0001 | |
| CCT (µm) | Preoperative | (419.64 ± 31.34) | (369.60 ± 61.0) | <0.0001 |
| 6 months | 452.10 ± 89.14 | 528.87 ± 69.90 | <0.0001 | |
| Astigmatism value | 6 months | 2.74 ± 1.42 | 2.02 ± 0.94 | <0.002 |
| 12 months | 2.49 ± 0.86 | 1.89 ± 0.86 | <0.001 |
DALK, Deep Anterior Lamellar Keratoplasty; PK, Penetrating Keratoplasty; and CCT, Central Corneal Thickness.