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. 2016 May 25;16:61. doi: 10.1186/s12886-016-0239-8

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© Noma et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Correlation between the RFV ratio and the severity of retinal ischemia. a No significant correlation between the arterial RFV ratio and the severity of retinal ischemia in the occluded region (r = -0.21, p = 0.228). b Significant negative correlation between the venous RFV ratio and the severity of retinal ischemia in the occluded region (r = -0.49, p = 0.003). c No significant correlation between the arterial RFV ratio and the severity of retinal ischemia in the non-occluded region (r = 0.01, p = 0.988). d No significant correlation between the venous RFV ratio and the severity of retinal ischemia in the non-occluded region (r = 0.12, p = 0.481)