Characteristic | Training set (mean±SD) | Testing set (mean±SD) |
Count | 5890 eyes, 4013 patients | 1003 eyes, 1003 patients |
Gender | Male: 2573 eyes (43.7%), Female: 3317 eyes (56.3%) | Male: 433 eyes (43.2%), Female: 570 eyes (56.8%) |
Age at surgery (years) | 71.00±9.43 | 70.73±9.50 |
Preoperative K (D) | 43.87±1.54 | 43.88±1.56 |
Preoperative AL (mm) | 24.17±1.34 | 24.15±1.35 |
Preoperative LT (mm) | 4.53±0.44 | 4.53±0.45 |
Preoperative ACD (mm) | 3.26±0.41 | 3.25±0.41 |
Postoperative refraction (D) | −0.55±0.85 | −0.59±0.93 |
ACD, anterior chamber depth; AL, axial length; D, dioptre; K, keratometry; LT, lens thickness.