Multicenter normative data for mesopic microperimetry

<p>This record contains the analysis and underyling data presented in the manuscript Pfau et al. 'Multicenter normative data for mesopic microperimetry'.&nbsp;</p> <p><strong>Contents:</strong></p> <ul> <li><strong>2024-08-30_Multicenter-Normal-Data.csv</strong>:<strong> </strong>Newly published normal data for mesopic microperimetry</li> <li><strong>2024-08-30_Analysis.R</strong>: Analysis script</li> <li><strong>2024-08-30_Vignette-to-create-normal-data.R</strong>: Software example to create normative maps</li> </ul> <p>&nbsp;</p> <p>The subfolders <em>Figures</em> and <em>Tables</em> show the analysis results.</p> <p>The folder <em>Intermediary_Results</em> contains the results of the cross-validation folds to assess model perfromance.</p> <p>&nbsp;</p> <p>To run the analysis code in 2024-08-30_Analysis.R, the following data is needed in addition:</p> <blockquote> <p>Astle et al. Data Brief. 2016 Aug 4;9:673-675. doi: 10.1016/j.dib.2016.07.061</p> </blockquote> <p>&nbsp;</p> <p>The&nbsp;<strong>2024-08-30_Multicenter-Normal-Data.csv</strong> file with the data contains the following columns:</p> <ul> <li><strong>source: </strong>Describes the clinical site</li> <li><strong>MachineID: </strong>ID of the MAIA device used for data collection</li> <li><strong>ParticipantID: </strong>ID of the participant</li> <li><strong>EID: </strong>ID of the eye</li> <li><strong>eye: </strong>Laterality (either Right or Left)</li> <li><strong>sex:</strong> Sex (f for female, m for male)</li> <li><strong>age: </strong>Age in years</li> <li><strong>ExamID:</strong> ID of the exam</li> <li><strong>ExamBaselineID:</strong> ID of the corresponding baseline exam (-1 indicates that the exam itself is the baseline exam)</li> <li><strong>GridUsed:</strong> Name of the grid</li> <li><strong>falsepos:</strong> Rate of false positive responses to Heijl-Krakau stimulus presentations to the optic nerve head (blind spot)</li> <li><strong>bcea63_area_deg2:</strong> Fixation stability in terms of the bivariate contour ellipse area covering 63% of the fixation points (in square degree)</li> <li><strong>bcea95_area_deg2: </strong>Fixation stability in terms of the bivariate contour ellipse area covering 95% of the fixation points (in square degree)</li> <li><strong>pointID: </strong>ID of the test point</li> <li><strong>eccentricity:</strong> Eccentricity of the test point (in degree)</li> <li><strong>x_coord:</strong> X-coordinate of the test point (in degree), negative values are temporal to the fovea and positive values are nasal to the fovea (in retinal space)</li> <li><strong>y_coord:</strong>&nbsp;Y-coordinate<em>&nbsp;</em>of the test point (in degree), negative values are inferior to the fovea and positive values are superior to the fovea (in retinal space)</li> <li>sensitivity: Sensitivity at the test point (in dB)</li> </ul>