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Visual function at baseline and 1 month in acute optic neuritis: predictors of visual outcome



Visual function at baseline and 1 month in acute optic neuritis: predictors of visual outcome



Neurology 69(6): 508-514



To identify cutpoints for visual measures at baseline and 1 month predictive of abnormal 6-month vision that could be used as eligibility criteria in a clinical trial to test potential neuroprotection or myelin repair agents in patients with optic neuritis. To determine whether moderate-to-severe dysfunction in one or more visual measures at baseline or 1 month correlates with having major vision loss at 6 months. We used the Optic Neuritis Treatment Trial database to evaluate various cutpoints for baseline and 1-month vision levels that predicted abnormal 6-month vision. For selected cutpoints, we computed a 95% CI for positive predictive value and the required sample size if the cutpoint was to be used for clinical trial eligibility. We evaluated whether the degree of visual loss at baseline, 1 month, or change in visual function from baseline to 1 month correlated with 6-month visual acuity, contrast sensitivity, or threshold visual field. The best cutpoints for baseline and 1 month were visual acuity

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Accession: 017652856

Download citation: RISBibTeXText

PMID: 17679669

DOI: 10.1212/01.wnl.0000267272.60714.42


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