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. 2019 Mar 15;14(3):e0213714. doi: 10.1371/journal.pone.0213714

Fig 4. Scatterplots illustrating the linear correlation between standard automated perimetry (SAP) mean deviation (MD) value (dB) and predicted value of visual function.

Fig 4

(A) Correlation between MD value of SAP and the predicted value of visual function using peripapillary RNFL thickness (R2 = 0.642, P < .001). (B) Correlation between MD value of SAP and the predicted value of visual function using 4 variables including PPA area, peripapillary RNFL thickness, disc-foveal angel, and disc torsion degree(R2 = 0.939, P < .001). *Predicted value of visual function was calculated using peripapillary RNFL thickness. †Predicted value of visual function was calculated using PPA area, peripapillary RNFL thickness, disc-foveal angel, and disc torsion degree.