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VISUAL PROGNOSTIC VALUE OF NEUTROPHIL-TO-LYMPHOCYTE RATIO AND PLATELET-TO-LYMPHOCYTE RATIO IN BEHÇET UVEITIS

A higher maximum neutrophil-to-lymphocyte ratio and higher initial platelet-to-lymphocyte ratio, as well as a younger age of onset and longer disease duration, were significantly associated with poor visual outcomes in patients with Behçet uveitis. Purpose: To investigate the significance of systemic indicators, including neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR), as long-term visual prognostic factors in patients with Behçet uveitis. Methods: This study comprised 114 eyes from 114 patients diagnosed with Behçet uveitis. Ophthalmologic evaluations and biochemical measurements including NLR and PLR values were consecutively obtained at each visit. Patients were divided into good and poor visual outcome groups, based on the visual acuity of 0.5 logarithm of the minimum angle of resolution in the worse-seeing eyes at the last visit. Factors associated with poor visual outcomes were analyzed, and optimal cutoff values of NLR and PLR were also evaluated. Results: Sixty-six eyes (57.9%) were included in the good visual outcome group. Multivariate regression analysis showed that younger age of onset (odds ratio = 0.939; P = 0.010), longer disease duration (odds ratio = 1.164; P < 0.001), higher maximum NLR (odds ratio = 1.215; P = 0.033), and higher initial PLR (odds ratio = 1.014; P = 0.039) were significantly associated with poor visual outcomes. The optimal cutoff value for patients with poor visual outcome was 5.608 for NLR and 128.078 for PLR. Conclusion: A higher maximum NLR and higher initial PLR, as well as a younger age of onset and longer disease duration, were significantly associated with poor visual outcomes. Systemic inflammatory factors might be important indicators of visual prognosis in Behçet uveitis.