Table 2 Preoperative patient characteristics
na | Mean ± SD | Range | |
|---|---|---|---|
Patient characteristics | |||
Age (years) | 282 | 73 ± 7.7 | 49; 91 |
Gender (%, men/women) | 282 | 46.5 / 53.5 | |
Axial length (mm) | 280 | 23.82 ± 1.43 | 21.47; 33.83 |
Anterior chamber depth (mm) | 277 | 3.16 ± 0.42 | 1.91; 4.82 |
IOL power (D) | 282 | 19.89 ± 3.24 | 1.0; 27.5 |
Formula | 279 | Haigis: 52.7% SRK/T: 47.0% Holladay: 0.4% | |
Expected postoperative spherical equivalent (D) | 278 | −0.43 ± 0.97 | −6.27; 2.84 |
Refraction | |||
Sphere (D) | 149 | −0.65 ± 3.14 | −16.0; 6.5 |
Cylinder (D) | 148 | −0.87 ± 0.72 | −3.5; 0 |
Spherical equivalent (D) | 148 | −1.07 ± 3.15 | −16.0; 6.0 |
Visual acuity | |||
UDVA | 53 | 0.84 ± 0.45 | 0.2; 2.3 |
CDVA | 280 | 0.48 ± 0.28 | 0.1; 2.3 |