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Total arteriolar and venular areas. A, Representative visualization of the input image and predicted arteriole and venule images using the proposed deep learning method. B, Graph showing distributions of the total arteriolar and venular areas measured by the proposed algorithm. C, Graph showing correlation between the total arteriolar and venular areas. Solid lines show 95% confidence intervals. Dotted lines show 95% prediction intervals. R = 0.58, n = 10 571, and P < 0.001.
