Figure 1From: Acute microcirculatory effects of medium frequency versus high frequency neuromuscular electrical stimulation in critically ill patients - a pilot studyChange scores in thenar muscle tissue oxygen saturation (StO 2 ) as measured by near-infrared spectroscopy (NIRS) for each neuromuscular electrical stimulation (NMES) protocol and patient group combination. Scores are calculated as before minus after values.Back to article page