Table 2

 Mean spherical equivalent refractive error in the treatment and placebo groups over time

Treatment groupMean spherical equivalent (95% CI)
BaselineYear 1Year 2Year 3Year 4Year 5
Patients were excluded from this table if they were pseudophakic.) There were no significant differences between the two groups
Nine subjects reached the “failure of treatment” end point, three in the placebo group and six in the antioxidant group (p = 0.51).
Placebo group−0.13 (−0.19 to −0.06)−0.22 (−0.29 to −0.14)−0.29 (−0.37 to −0.21)−0.21 (−0.29 to −0.14)−0.31 (−0.40 to −0.21)−0.26 (−0.35 to −0.18)
Vitamin group−0.07 (−0.12 to −0.03)−0.17 (−0.21 to −0.11)−0.16 (−0.23 to −0.11)−0.13 (−0.19 to −0.08)−0.17 (−0.24 to −0.09)−0.52 (−0.34 to −0.18)