Spectral Domain OCT Predictors of Visual Acuity in the Study of COmparative Treatments for REtinal Vein Occlusion 2: SCORE 2 Report 15
Abstract
Purpose: To evaluate the association between baseline demographic and spectral domain OCT (SD-OCT) features with visual acuity (VA) in the Study of COmparative Treatments for REtinal Vein Occlusion 2 (SCORE2) over 2 years.
Design: Post hoc analysis of prospective clinical trial data.
Participants: A total of 362 SCORE2 participants with macular edema secondary to central retinal (CRVO) or hemiretinal vein occlusion (HRVO).
Methods: Spectral domain OCT volume scans were assessed at the SCORE2 reading center at baseline, month 01 (M01), month 06 (M06), month 12 (M12), and month 24 (M24) for central subfield thickness (CST), subretinal fluid, intraretinal fluid, vitreoretinal interface abnormalities, disorganization of retinal inner layers (DRIL), and ellipsoid zone (EZ) within the central subfield (CSF).
Main outcome measures: Visual acuity at M06, M12, and M24.
Results: Mean baseline age was 68.9 years. Mean VA at M01 was 63.2 letters, and CST was 299.7 μm. At M01, subretinal fluid was seen in 28.5% intraretinal fluid in 67.2%, DRIL was seen in 73.8%, mostly within the CSF, and the EZ was absent in 9.8 and patchy in 31.7%. In multivariate analysis including all M01 demographics and SD-OCT parameters and their association with VA at M06, M12, and M24, VA at M01 remained significant across all time points up to M24 (P < 0.001).
Conclusions: In this 2-year follow-up of eyes that were treated with both per protocol and off protocol for RVO, VA at M01 was an important predictor of…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 362 participants or records.
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