Table 3 Comparisons and correlation between CHM and other cornea power parameters
From: Scheimpflug analysis of corneal power changes after hyperopic small incision lenticule extraction
Cornea power | Mean ± SD (D) | Difference vs CHM (D) | P value | Correlation Coefficient | P value |
|---|---|---|---|---|---|
CHM | 45.88 ± 1.83 | / | |||
Km | 45.56 ± 1.73 | −0.32 ± 0.80 | 0.06 | 0.900 | 0.00 |
EKR4.0 mm | 45.41 ± 1.74 | −0.34 ± 1.04 | 0.13 | 0.823 | 0.00 |
EKR4.5 mm | 45.50 ± 1.71 | −0.25 ± 1.01 | 0.24 | 0.831 | 0.00 |
PR2.0 mm | 45.12 ± 1.83 | −0.76 ± 0.97 | 0.00 | 0.858 | 0.00 |
PR3.0 mm | 45.63 ± 1.90 | −0.25 ± 0.97 | 0.22 | 0.866 | 0.00 |
PR4.0 mm | 45.70 ± 1.94 | −0.14 ± 1.03 | 0.39 | 0.858 | 0.00 |
PR5.0 mm | 45.04 ± 1.87 | −0.84 ± 1.00 | 0.00 | 0.852 | 0.00 |
PZ2.0 mm | 44.75 ± 1.87 | −1.13 ± 1.10 | 0.00 | 0.824 | 0.00 |
PZ3.0 mm | 45.11 ± 1.84 | −0.76 ± 0.98 | 0.00 | 0.857 | 0.00 |
PZ4.0 mm | 45.38 ± 1.86 | −0.50 ± 0.93 | 0.01 | 0.873 | 0.00 |
PZ5.0 mm | 45.36 ± 1.85 | −0.51 ± 0.90 | 0.01 | 0.881 | 0.00 |
AR2.0 mm | 45.18 ± 1.91 | −0.69 ± 0.96 | 0.00 | 0.870 | 0.00 |
AR3.0 mm | 45.57 ± 1.95 | −0.31 ± 0.94 | 0.12 | 0.879 | 0.00 |
AR4.0 mm | 45.48 ± 1.97 | −0.39 ± 0.96 | 0.06 | 0.874 | 0.00 |
AR5.0 mm | 44.72 ± 1.90 | −1.16 ± 1.00 | 0.00 | 0.856 | 0.00 |
AZ2.0 mm | 44.93 ± 1.92 | −0.95 ± 1.05 | 0.00 | 0.850 | 0.00 |
AZ3.0 mm | 45.19 ± 1.91 | −0.68 ± 0.94 | 0.00 | 0.876 | 0.00 |
AZ4.0 mm | 45.36 ± 1.91 | −0.52 ± 0.91 | 0.01 | 0.883 | 0.00 |
AZ5.0 mm | 45.26 ± 1.89 | −0.61 ± 0.89 | 0.00 | 0.885 | 0.00 |