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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