Table 2.
Results of sublingual microcirculation measured by incident dark field illumination and optical coherence tomography angiography.
| Parameter (unit) | Median [interquartile range] |
|---|---|
| IDF Illumination of sublingual microcirculation | |
| TVD (mm ∙ mm−2) | 21.9 [17.6; 23.4] |
| PVDby IDF (mm ∙ mm−2) | 21.0 [17.5; 22.9] |
| PPV (%) | 97.8 [96.3; 99.8] |
| MFIby quadrants | 2.9 [2.9; 3.0] |
| OCTA of sublingual microcirculation | |
| Flow densityWF (%) | 48.9 [43.2; 54.5] |
| Flow densityCentral (%) | 52.6 [43.6; 60.6] |
| PVDby OCTA (mm ∙ mm−2) | 18.6 [18.0; 21.7] |
MFIby quadrants, microvascular flow index; OCTA, optical coherence tomography angiography; PPV, proportion of perfused vessel; PVDby IDF, perfused vessel density in IDF illumination videos; PVDby OCTA, perfused vessel density in OCTA images, TVD, total vessel density.