Table 2.

Average (95% bootstrap confidence interval) simulated 1-year visual outcomes under each of the four modelled conditions

	No treatment delay	3-month delay	6-month delay	9-month delay
Mean 1-year VA	57.8 letters (56.6–59.1)	52.7 letters (51.4–54.1) (−5.1 letters ; p<0.001)	50.3 letters (48.8–51.6) (−7.5 letters; p<0.001)	48.6 letters (47.2–49.9) (−9.2 letters; p<0.001)
% severe sight impairment (≤35 letters)	15.5 (13.2–17.9)	23.3 (20.7–25.9) (+7.8; p<0.001)	27.6 (24.7–30.6) (+12.1; p<0.001)	30.8 (28.0–33.7) (+15.3; p<0.001)
% sight impairment (≤55 letters)	39.4 (36.1–42.5)	50.0 (46.9–53.1) (+10.6; p<0.001)	54.8 (51.5–58.2) (+15.4; p<0.001)	57.9 (54.7–61.1) (+18.5; p<0.001)
% driving vision (≥70 letters)	35.1 (32.1–38.1)	26.4 (23.8–29.2) (−8.7; p<0.001)	23.1 (20.6–25.7) (−12.0; p<0.001)	21.3 (18.7–23.9) (−13.8; p<0.001)

Comparisons with the no treatment delay model are provided in italics.

VA, visual acuity.