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Table 2 Diurnal changes in mean arterial pressure (MAP), intraocular pressure (IOP), macular volume (MV), foveal avascular zone (FAZ), superficial capillary plexus perfusion (SCP-P), deep capillary plexus perfusion (DCP-P), full-retina perfusion (FR-P), and subfoveal choroidal thickness (SFCT) are shown

From: Evaluating diurnal variations in retinal perfusion using optical coherence tomography angiography

Parameter7 a.m. (Mean ± SD)4 p.m. (Mean ± SD)Wilcoxon signed-rank (p-value)
MAP (mmHg)94.09 ± 5.0199.91 ± 7.44< 0.001
IOP (mmHg)14.7 ± 3.014.5 ± 3.00.610
MV (mm3)8.61 ± 0.338.64 ± 0.330.283
FAZ (mm2)0.339 ± 0.1190.336 ± 0.1140.514
SCP-P (%)29.16 ± 3.8630.89 ± 5.990.189
DCP-P (%)40.43 ± 3.9340.98 ± 3.990.661
FR-P (%)33.46 ± 4.6735.08 ± 5.830.223
SFCT (µm)337 ± 79.46318.18 ± 74.570.017
  1. Test values of p < 0.05 were considered statistically significant