Figure 4From: Acute microcirculatory effects of medium frequency versus high frequency neuromuscular electrical stimulation in critically ill patients - a pilot studyChange scores in thenar muscle vascular reserve (time to baseline tissue oxygen saturation (StO 2 ) value) as measured by near-infrared spectroscopy (NIRS)_during a vascular occlusion test for each neuromuscular electrical stimulation (NMES) protocol and patient group combination. Scores are calculated as before minus after values.Back to article page