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Probability of a positive visual outcome from an initial intravitreal dexamethasone injection. Kaplan–Meier modelling was carried out to estimate the probability of gaining (a) 5 or more ETDRS letters (Snellen equivalent 1 line) and (b) 10 or more ETDRS letters. Grey fill represents 95% confidence intervals. Tick marks indicate censored data, with remaining numbers at risk shown in the legend below.
