| Group 1 - Flat Cornea Km ≤ 42.00D (N: 116) | Group 2 42.00D < Km > 46.00D (N: 283) | Group 3 - Steep Cornea Km ≥ 46.00D (N: 77) | |||
Parameter | Mean ± SD | Min to max | Mean ± SD | Min to max | Mean ± SD | Min to max |
Spherical Equivalent (D) | −3.47 ± 1.54 | (−6.00 to −1.00) | −4.06 ± 1.55 | (−6.00 to −1.00) | −3.99 ± 1.38 | (−6.00 to −1.75) |
Sphere (D) | −2.71 ± 1.67 | (−6.00 to 0.00) | −3.53 ± 1.60 | (−6.00 to 0.00) | −3.33 ± 1.61 | (−6.00 to −0.50) |
Cylinder (D) | −1.51 ± 1.29 | (−5.00 to 0.00) | −1.06 ± 1.01 | (−5.50 to 0.00) | −1.25 ± 1.21 | (−4.50 to 0.00) |
K1 (D) | 40.15 ± 0.75 | (39.50 to 42.00) | 43.20 ± 0.84 | (40.75 to 45.00) | 44.92 ± 0.99 | (42.50 to 47.50) |
K2 (D) | 42.67 ± 0.77 | (40.50 to 45.00) | 44.45 ± 0.76 | (42.75 to 46.50) | 47.91 ± 0.71 | (46.00 to 49.00) |
Mean K (D) | 40.80 ± 0.47 | (40.38 to 42.00) | 43.83 ± 0.69 | (42.25 to 45.75) | 46.79 ± 0.63 | (46.00 to 48.13) |
Pachymetry (µm) | 552.43 ± 32.27 | (480 to 633) | 547.29 ± 26.22 | (492 to 622) | 553.5 ± 26.5 | (505 to 624) |
Ablation Depth (µm) | 57.60 ± 19.55 | (23 to 112) | 64.61 ± 19.48 | (23 to 113) | 66.35 ± 19.0 | (23 to 101) |