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. 2012 Jan 29;96(4):587–590. doi: 10.1136/bjophthalmol-2011-301005

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© 2012, Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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Vitreous connective tissue growth factor (CTGF) levels (A) and CTGF/log₁₀ (vascular endothelial growth factor; VEGF) ratio (B) per degree of fibrosis of the retina. Filled symbols: proliferative diabetic retinopathy group. Open symbols: bevacizumab group; means of each group are also presented. (A) Vitreous CTGF levels and degree of fibrosis correlated significantly (Spearman's ρ 0.6, p<0.001). (B) The CTGF/log₁₀(VEGF) ratio and degree of fibrosis correlated significantly (Spearman's ρ 0.7, p<0.001).