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Original Research

Diurnal Stability Of Peripapillary Vessel Density And Nerve Fiber Layer Thickness On Optical Coherence Tomography Angiography In Healthy, Ocular Hypertension And Glaucoma Eyes

, ORCID Icon, , , , , , , & show all
Pages 1823-1832 | Published online: 20 Sep 2019

Figures & data

Table 1 Demographic and Clinical Characteristics of the Patients Included in the Study

Table 2 Means and Corresponding Standard Deviations (SD) of All Ocular Parameters Measured in the Morining and in the Evening with Respective Meand Daily Changes in the Three Groups of Patients. False Discovery Rate (FDR) Adjusted P-value Ot the ANOVA Test are Shown. The Mean Measurements of All the Parameters Investigated Were Statistically Different in the Three Groups in the Morning and in the Evening. Mean Daily Changes Were Minimal and Not Statistically Significant

Table 3 The T-test Derived P-value Adjusted for Multiplicity Using the False Discovery Rate (FDR) Method. Daily Fluctuations Were Not Statistically Different in Any of the Parameters Investigated within the Groups and in the Total Sample. Only main parameters are indicated.

Table 4 Post-hoc tukey’s tests of the Group to Group Comparison. There Is a Statistically Significant Difference for Every Parameter Investigated between Eyes with Glaucoma and Control Eyes or with Ocular Hypertension, except for ONH-VD in the Evening. Comparisons between Eyes with Ocular Hypertension and Control Eyes Were Not Statistically Significant. Only main parameters are indicated.

Table 5 Regression Coefficients (β) and Corresponding Standard Error (SE) with FDR Adjusted P-value Derived from Multivariate Model. Systemic Hypertension, Age, Axial Length and Daily Changes in IOP and Scan Quality Were Not Significantly Associated with Daily Changes in Any of the Parameter Investigated