Table 3.
Parameter | Mean ± SD | P Value* | |
---|---|---|---|
No DLK (n = 702) | DLK (n = 99) | ||
Flap thickness (μm) | 117.0 ± 6.5 | 116.8 ± 7.3 | .4574 |
Flap diameter (mm) | 8.7 ± 0.3 | 8.8 ± 0.2 | .0171 |
Side-cut energy (μJ) | 1.89 ± 0.47 | 2.04 ± 0.20 | .0037 |
Raster energy (μJ) | 1.55 ± 0.20 | 1.62 ± 0.11 | .0033 |
Optical zone (mm) | 6.6 ± 0.4 | 6.5 ± 0.4 | .6659 |
Ablation depth (μm) | 86.6 ± 36.8 | 83.9 ± 38.1 | .7311 |
Residual bed (μm) | 356.1 ± 42.1 | 357.4 ± 37.8 | .8952 |
Treated SE (D) | −3.7 ± 1.8 | −3.8 ± 1.9 | .7806 |
DLK = diffuse lamellar keratitis; SE = spherical equivalent
From generalized estimating equation model adjusting for inter-eye correlation