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Table 5: Clinical evaluation of 6-hour lactate trend analysis from subcutaneous adipose tissue ($\mathrm{\Delta }$ satLAC) versus arterial blood ($\mathrm{\Delta }$ artLAC) after 6-hour 1-point calibration. Lactate measurements are stratified to positive, stable and negative lactate trends.

$n=231$ 6-hour paired lactate trends Acceptable measurement % Unacceptable falsely high % Unacceptable falsely low % Positive trend ($>$20%) 60.0 12.3 27.7 Negative trend ($<$−20%) 59.2 29.6 11.3 No change (±20%) 56.7 24.7 18.6 Total trend analysis 58.4 22.7 18.9