Table 3.

Clinical evaluation of 6-hour lactate trend analysis from subcutaneous adipose tissue (Δ satLAC) versus arterial blood (Δ artLAC). Lactate measurements are stratified to positive, stable and negative lactate trends as indicated in Figure 1(b).

n = 245 6-hourly paired lactate trends	Acceptable measurement %	Unacceptable falsely high %	Unacceptable falsely low %
Positive trend (>20%)	61.9	11.1	27.0
Negative trend (< −20%)	66.7	27.0	6.3
No change (±20%)	66.4	20.9	12.7
Total trend analysis	65.3	19.9	14.8