Objective: To investigate the factors influencing visual benefit after anti-vascular endothelial growth factor(anti-VEGF) therapy in patients with macular edema secondary to retinal vein occlusion(RVO-ME).Methods: A total of 174 RVO-ME patients(174 single eyes) who received anti-VEGF treatment in our hospital from January 2022 to February 2025 were enrolled. Based on visual benefit at the 6-month follow-up, the patients were divided into a good visual benefit group and a poor visual benefit group. Clinical data were collected and compared between the two groups. Logistic regression analysis was performed to identify independent factors associated with visual benefit, and receiver operating characteristic(ROC) curves were used to evaluate the discriminative performance of each factor and their combination. Results: Among the 174 patients, 113 achieved good visual benefit and 61 experienced poor visual benefit. Multivariate unconditional Logistic regression revealed that longer duration of visual decline(OR=1.107, 95%CI 1.042-1.177), higher baseline best-corrected visual acuity(BCVA)(OR=6.747, 95%CI 2.398-18.985), disruption of the external limiting membrane(OR=2.552, 95%CI 1.058-6.158), and higher baseline disorganization of retinal inner layers(DRIL) score(OR=2.362, 95%CI 1.054-5.296) were risk factors for poor visual benefit(all P<0.05). In contrast, a higher baseline deep-to-superficial retinal vessel density ratio(OR=0.039, 95%CI 0.007-0.221) and better treatment compliance(moderate compliance OR=0.250, 95%CI 0.081-0.770; good compliance OR=0.103, 95%CI 0.029-0.368) were protective factors(all P<0.05). The area under the ROC curve(AUC) of the combined model was 0.933, which was superior to that of any single indicator(duration of visual decline, baseline BCVA, baseline deep-to-superficial vessel density ratio, baseline DRIL score, disruption of the external limiting membrane, and compliance), with a sensitivity of 81.97% and a specificity of 89.38%.Conclusion:Duration of visual decline, baseline BCVA, baseline deep-to-superficial retinal vessel density ratio, baseline DRIL score, disruption of the external limiting membrane, and treatment compliance are all factors influencing visual benefit after anti-VEGF therapy in RVO-ME patients. The combined prediction model demonstrates the best discriminative performance and can serve as a reference for clinicians to identify the likelihood of visual benefit. |
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