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Table 2 Overall study results

From: Long term results of accelerated 9 mW corneal crosslinking for early progressive keratoconus: the Siena Eye-Cross Study 2

 

UDVA

Snellen (decimal equivalent)

P

CDVA

Snellen (decimal equivalent)

p

Kmax

(D)

P

Coma

(D)

P

MCT (μm)

P

SAI

P

CYL

(D)

P

Baseline

0.37

 

0.63

 

55.70

 

1.019

 

443.76

 

4.777

 

2.944

 

Δ1m

0.02

0.23

05

0.052

1.01

0.052

−0.046

0.004*

−45.1

0.0001*

−0.005

0.045**

−0.48

0.34

Δ3m

0.04

0.028**

−0.05

0.013*

−0.05

0.067

−0.67

<  0.001*

− 15.2

0.0302**

0.143

0.834

−0.16

0.78

Δ6m

0.15

0.0001*

0.17

0.001*

−1.34

0.03*

−0.069

<  0.001*

−3.96

0.23

0.154

0.81

0.15

0.73

Δ1y

0.19

0.0001*

0.21

0.001*

−1.58

0.001*

−0.071

<  0.001*

10.17

0.817

0.716

0.232

0.21

0.65

Δ2y

0.20

0.001*

0.22

0.0002*

−1.33

0.001*

−0.082

<  0.001*

11.74

0.52

1.038

0.075

0.44

0.38

Δ3y

0.20

0.0001*

0.23

0.001*

−1.3

0.001*

−0.079

<  0.001*

11.67

0.56

1.039

0.0757

0.42

0.32

Δ4y

0.18

0.0001*

0.23

0.0067*

−1.23

0.001*

−0.072

<  0.001*

9.64

0.682

1.039

0.058

0.42

0.25

Δ5y

0.17

0.0001*

0.23

0.0031*

−1.49

0.001*

−0.067

<  0.001*

10.50

0.579

1.071

0.0503

0.418

0.25

  1. **Indicates statistical significance (P > 0.05). * indicates statistical significance (P > 0.01). Δ change relative to the respective baseline value; UDVA = uncorrected distance visual acuity; CDVA = corrected distance visual acuity; Kmax = maximum keratometry; MCT = minimum corneal thickness; SAI = surface asymmetry index; CYL=topographic cylinder