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Using a 2 motor level improvement after acute cervical sensorimotor complete (AIS-A) SCI, the graph illustrates the potential number of appropriate subjects to be enrolled for both the experimental and control groups (ie, total number of study subjects with a 1:1 allocation to each group). The number of required subjects varies depending on the anticipated percentage difference between the experimental and control group (for the number of subjects recovering 2 motor levels).
