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Table 4 Changes in microcirculatory parameters monitored by near-infrared spectroscopy and use of a vascular occlusion test in the two patient groups

From: Acute microcirculatory effects of medium frequency versus high frequency neuromuscular electrical stimulation in critically ill patients - a pilot study

  Acute group (n = 19) ICUAW group (n = 12)
Microcirculatory parameter Before After P Before After P
Tissue oxygenation (StO2) 78 ± 11 77 ± 11 0.2 76 ± 8 75 ± 8 0.4
StO2 downslope (%/minute) 8.6 ± 3.4 9.1 ± 3.1 0.4 9.4 ± 2.6 10.3 ± 3.6 0.1
StO2 upslope (%/second) 2.4 ± 1.4 2.8 ± 1.5 0.03 2.9 ± 1.3 3.6 ± 1.8 0.04
Time to baseline (seconds) 160 ± 48 144 ± 47 0.003 162 ± 47 147 ± 34 0.04