Neutrophil-to-lymphocyte ratio in age-related macular degeneration: a systematic review and meta-analysis

Siar Niazi, Marie Krogh Nielsen, Torben Lykke Sørensen, Yousif Subhi

Publikation: Bidrag til tidsskriftReviewForskningpeer review

Abstrakt

Age-related macular degeneration (AMD) is aetiologically linked to immunological ageing and dysfunction. One aspect of this is the altered neutrophil-to-lymphocyte ratio (NLR), which in other domains have been associated with inflammation and angiogenesis, and therefore investigated in patients with AMD in several papers. In this systematic review and meta-analysis, we summarize findings in patients with AMD in relation to NLR, both qualitatively and quantitatively. We searched PubMed/MEDLINE, EMBASE, Web of Science, and the Cochrane Central and identified six studies from where we extracted data on 1178 individuals (777 patients with AMD and 401 healthy controls). Patients with AMD had a higher NLR (weighted mean difference: 0.37, CI 95% 0.08 to 0.66, p = 0.013) when compared to healthy controls. In subgroup analyses, we did not find a significant difference between patients with dry AMD and healthy controls (weighted mean difference: 0.34, CI 95% -0.03 to 0.69, p = 0.068), but did find a strong significant difference between patients with neovascular AMD and healthy controls (weighted mean difference: 0.54, CI 95% 0.23 to 0.86, p = 0.00068). Hence, we find that the association between AMD and elevated NLR may have stronger relevance to the neovascular subtype of AMD. However, the clinical value of measuring the NLR remains unclear.

OriginalsprogEngelsk
Sider (fra-til)558-566
Antal sider9
TidsskriftActa Ophthalmologica
Vol/bind97
Udgave nummer6
DOI
StatusUdgivet - sep. 2019

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� 2019 Acta Ophthalmologica Scandinavica Foundation. Published by John Wiley & Sons Ltd.

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