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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Gait Posture. 2013 Oct 16;39(2):723–727. doi: 10.1016/j.gaitpost.2013.10.006

Table 3. Dual task cost of postural control as a function of group (mean± SD).

Variables Control HD Patients P value Cohen's d
95% ellipse area -0.6±52.0 -82.3±125.6* 0.01 0.89
MVAP -8.9±22.9 -25.3±30.3* 0.12 0.52
MVML -11.9±46.5 -33.6±45.7* 0.18 0.43
RMSAP -6.2±27.4 -17.0±40.7 0.22 0.41
RMSML 16.7±17.6* -37.1±79.6 <0.01 0.93
RangeAP -11.1±24.6 -15.4±38.3 0.46 0.24
RangeML 5.2±45.7 -35.9±69.8 0.04 0.69

Note: Values are mean± SD or as otherwise indicated. P value and Cohen's d relate to group differences.

*

indicates DTC Significantly different than 0 within each group (P<0.01).