Balance Dysfunction in Parkinson’s Disease: The Role of Posturography in Developing a Rehabilitation Program

Table 2

Values of BBS and posturographic parameters observed in patients and controls.

Variable	All patients; ()	Controls; ()	value	Patients at low risk of fall; ()	value^†
BBS	46.3 ± 8.4	54.3 ± 1.7	0.002	49.6 ± 4.5	0.002
AP SD OE (mm)	5.7 ± 3.0	5.9 ± 2.9	0.852	5.4 ± 2.3	0.596
ML SD OE (mm)	5.3 ± 2.6	3.4 ± 0.8	0.019	4.8 ± 2.3	0.050
Area ellipse OE (mm^2)	601.6 ± 581.6	373.5 ± 202.2	0.195	510.0 ± 446.9	0.324
Total SD OE (mm)	15.1 ± 14.1	3.0 ± 1.6	0.005	14.1 ± 14.5	0.013
AP SD OEC (mm)	5.7 ± 3.8	5.4 ± 1.6	0.813	5.5 ± 3.7	0.957
ML SD OEC (mm)	4.8 ± 3.4	3.3 ± 1.3	0.172	4.5 ± 3.5	0.283
Area ellipse OEC (mm^2)	477.1 ± 493.2	321.4 ± 179.7	0.297	385.7 ± 376.4	0.583
Total SD OEC (mm)	13.1 ± 13.6	3.5 ± 2.1	0.020	14.0 ± 14.3	0.017

value for the comparison between all patients and controls.
^† value for the comparison between patients at low risk of fall and controls.
BBS: Berg Balance Scale; UPDRS III (ON state): Unified Parkinson’s Disease Rating Scale III; OE: open eyes; OEC: open eyes counting; AP SD OE: anteroposterior standard deviation of trunk sway with open eyes; ML SD OE: mediolateral standard deviation of trunk sway with open eyes; Total SD OE: total standard deviation of trunk sway with open eyes; AP SD OEC: anteroposterior standard deviation of trunk sway with open eyes counting; ML SD OEC: mediolateral standard deviation of trunk sway with open eyes counting; Total SD OEC: total standard deviation of trunk sway with open eyes counting.