Missing correlation of retinal vessel diameter with high-altitude headache.

Ann Clin Transl Neurol · 2014 · PMC4207505 · PMID 25356382

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a nonsignificant trendno p-value reported

In addition, changes in mean AD and VD between baseline and high altitude did not correlate with clinical parameters of SpO 2 and HR (only a nonsignificant trend between vessel diameter and SpO 2 was seen in the form of a negative correlation (AD vs.

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