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. 2022 Mar 8;9(4):468–477. doi: 10.1002/acn3.51509

Figure 3.

Figure 3

(A) The mean sway paths of the control and LBSL cohorts are plotted across four postural sway conditions, feet apart eyes open (FAEO), feet apart eyes closed (FAEC), feet together eyes open (FTEO), and feet together eyes closed (FTEC). Trial duration is 30 sec. (B–D) Graphs represent the quantified mean path length (total length of the sway path in the anterior/posterior direction), jerk (smoothness of sway from the time derivative of the sway path in the anterior/posterior direction), and sway area (the area of an ellipse covering 95% of the sway angle in the coronal and sagittal planes) of the control and LBSL cohorts. (E) A Romberg Quotient was calculated for each individual as the sway area with the feet apart eyes closed divided by the sway area with the feet apart and eyes open. The graph represents the mean Romberg Quotient for the control and LBSL groups. *p < 0.01 control versus LBSL. LBSL, leukoencephalopathy with brainstem and spinal cord involvement and lactate elevation.