Skip to main content

Table 2 Number and percentage of flow indices at different cutoff levels

From: Sublingual microcirculation does not reflect red blood cell transfusion thresholds in the intensive care unit—a prospective observational study in the intensive care unit

 

Total (n)

MFI < 2.5, n (%)

MFI ≥ 2.84, n (%)

PPV ≥ 88, n (%)

Before RBCT

After RBCT

Before RBCT

After RBCT

Before RBCT

Before RBCT

All

64

55

22 (34)

6 (11)

21 (32)

22 (34)

TTH 75 g/l

43

39

16 (37)

3 (8)

13 (30)

16 (37)

TTH 90 g/l

21

16

6 (29)

3 (20)

8 (38)

6 (29)

SENS/SPEC

    

0.66/0.91

0.64/0.82

PpV/NpV

    

0.91/0.85

0.64/0.83

  1. RBCT red blood cell transfusion, MFI microvascular flow index, PPV proportion of perfused vessels, TTH transfusion threshold, SENS sensitivity, SPEC specificity, PpV positive predictive value, NpV negative predictive value