Multivariate Regression Analysis to Predict Postoperative Refractive Astigmatism in Cataract Surgery

Table 1

Variables for multivariate regression analysis.

Dependent variables

Independent variables (preoperative parameters)

Postoperative refractive J0 (D)

Postoperative refractive J45 (D)

Age (years)

Sex (men/women)

Refractive J0 (D)

Refractive J45 (D)

Total corneal J0 (D)

Total corneal J45 (D)

Sphere (D)

Intraocular pressure (mmHg)

Corneal thickness (mm)

Anterior chamber depth (mm)

Lens thickness (mm)

Axial length (mm)

Pupil diameter (mm)

Mean ± SD

−0.25 ± 0.29

0.11 ± 0.22

69.0 ± 6.3

44/56

−0.52 ± 0.45

−0.09 ± 0.33

−0.21 ± 0.26

0.02 ± 0.21

−1.31 ± 4.12

14.1 ± 2.8

0.537 ± 0.031

3.30 ± 0.36

4.69 ± 0.66

24.33 ± 1.46

3.59 ± 0.52

Range

−1.06–0.30

−0.67–0.54

47–80

−2.61–0.25

−1.31–0.89

−1.07–0.37

−0.65–0.44

−21.50–3.50

9.0–22.0

0.455–0.655

2.28–4.16

3.44–7.51

21.82–30.67

3.0−5.0