Table 3

The ideal analysis report

Component of report

Measure (if applicable)

Details (if applicable)


Vessel density

Total vessel density

Perfused vessel density (PVD)

All (n/mm)a Small vessels (n/mm)a

Perfusion indices

Proportion of perfused vessels (PPV [%])

All Large vessels Small vessels

Microvascular flow index (MFI)

All Large vessels Small vessels

Heterogeneity index (%)


aVessel density is expressed as mm/mm2 if software is used to draw vessel length (and calculated as perfused vessel length/investigated area.

De Backer et al. Critical Care 2007 11:R101   doi:10.1186/cc6118

Open Data