Table 2

Example of microvascular flow index calculation for a repeating microvascular structure (gut villi)

Quadrant A
 Quadrant B
 Quadrant C
 Quadrant D
 MFI
Flow villi
 2
 3
 3
 2
 10/4 = 2.5

MFI, Microvascular flow index

Boerma et al. Critical Care 2005 9:R601   doi:10.1186/cc3809