Table 1 Demographic data in training and validation set.

From: Development of a new intraocular lens power calculation method based on lens position estimated with optical coherence tomography

Parameter

Training set (137 eyes)

Validation set (337 eyes)

P value

Mean ± SD

Minimum

Maximum

Mean ± SD

Minimum

Maximum

Age (years-old)

70 ± 11

26

90

70 ± 10

33

104

0.664

Females, n (%)

90 (66)

188 (56)

0.047

Axial length (mm)

24.42 ± 1.52

21.72

28.47

24.55 ± 1.77

21.42

30.78

0.437

Keratometry (D)

43.97 ± 1.38

40.35

48.39

43.83 ± 1.51

38.94

48.12

0.351

Central corneal thickness (μm)

551 ± 32

464

641

560 ± 37

452

648

0.006

Anterior camber depth (mm)

3.14 ± 0.39

2.19

4.26

3.16 ± 0.38

1.96

4.34

0.638

Crystalline lens thickness (mm)

4.53 ± 0.42

3.64

5.49

4.54 ± 0.38

3.38

6.15

0.886

  1. SD: standard deviation.
  2. Anterior camber depth is defined as axial measurement from corneal epithelium to anterior lens.