Table 4.

P values, effect size measurements, and power values for the time by medication interactions and main effects of medication and time (pre and post) for each of the balance domains.

Balance domain	Outcome variable	Interaction	Main effect of medication	Main effect of time
Anticipatory postural response (n=24)	Mini-BESTest - Anticipatory	P=.131	p=.698	p=.942
		${\eta }_p^2=.033$	${\eta }_p^2<.001$	${\eta }_p^2=.021$
		Power=.137	Power=.050	Power=.103
	Functional Reach Test	P=.785	p=.813	p=.054
		${\eta }_p^2=.003$	${\eta }_p^2=.002$	${\eta }_p^2=.152$
		Power=.058	Power=.056	Power=.495
Adaptive postural responses (n=24)	Motor control test - backward latency	P=.694	p=.182	p=.699
		${\eta }_p^2=.007$	${\eta }_p^2=.076$	${\eta }_p^2=.007$
		Power=.066	Power=.261	Power=.066
	Motor control test - backward amplitude	P=.702	p=.452	p=.041
		${\eta }_p^2=.007$	${\eta }_p^2=.025$	${\eta }_p^2=.169$
		Power=.066	Power=.113	Power=.543
	Motor control test - forward latency	P=.494	p=.011	p=.334
		${\eta }_p^2=.021$	${\eta }_p^2=.252$	${\eta }_p^2=.041$
		Power=.102	Power=.759	Power=.157
	Motor control test - forward amplitude	P=.887	p=.741	p=.734
		${\eta }_p^2=.001$	${\eta }_p^2=.005$	${\eta }_p^2=.005$
		Power=.052	Power=.062	Power=.063
	mini-BESTest - Reactive Postural Control	P=.840	p=.205	p=.280
		${\eta }_p^2=.030$	${\eta }_p^2=.001$	${\eta }_p^2=.058$
		Power=.128	Power=.053	Power=.206
Dynamic gait (n=24)	TUGT	P=.984	p=.457	p<.001
		${\eta }_p^2=.001$	${\eta }_p^2=.003$	${\eta }_p^2=.313$
		Power=.052	Power=.058	Power=.872
	TUGT cognitive	P=.968	p=.406	p=.049
		${\eta }_p^2=.022$	${\eta }_p^2=.007$	${\eta }_p^2<.001$
		Power=.107	Power=.068	Power=.050
	mini-BESTest – Dynamic Gait	P=.183	p=.672	p=.259
		${\eta }_p^2=.074$	${\eta }_p^2=.001$	${\eta }_p^2=.051$
		Power=.256	Power=.053	Power=.188
Sensory orientation (n=24)	SOT composite	P=.277	p=.009	p=.524
		${\eta }_p^2=.051$	${\eta }_p^2=.261$	${\eta }_p^2=.018$
		Power=.187	Power=.780	Power=.095
	SOT visual	P=.208	p=.015	p=.208
		${\eta }_p^2=.068$	${\eta }_p^2=.232$	${\eta }_p^2=.068$
		Power=.237	Power=.714	Power=.237
	SOT somatosensory	P=.945	p=.479	p=.961
		${\eta }_p^2<.001$	${\eta }_p^2=.022$	${\eta }_p^2<.001$
		Power=.051	Power=.106	Power=.050
	SOT vestibular	P=.210	p=.369	p=.496
		${\eta }_p^2=.068$	${\eta }_p^2=.035$	${\eta }_p^2=.020$
		Power=.236	Power=.142	Power=.102
Gait characteristics (n=23)	Gait speed	P=.500	p=.983	p<.001
		${\eta }_p^2=.021$	${\eta }_p^2<.001$	${\eta }_p^2=.628$
		Power=.101	Power=.050	Power=1.000
	Step length	P=.355	p=.191	p=.001
		${\eta }_p^2=.039$	${\eta }_p^2=.076$	${\eta }_p^2=.400$
		Power=.148	Power=.252	Power=.955
	Step length coefficient of variation	P=.998	p=.229	p=.373
		${\eta }_p^2<.001$	${\eta }_p^2=.065$	${\eta }_p^2=.036$
		Power=.050	Power=.220	Power=.140
	Stride length	P=.511	p=.213	p=.003
		${\eta }_p^2=.020$	${\eta }_p^2=.070$	${\eta }_p^2=.336$
		Power=.098	Power=.233	Power=.890
	Stride length coefficient of variation	P=.429	p=.036	p=.925
		${\eta }_p^2=.029$	${\eta }_p^2=.185$	${\eta }_p^2<.001$
		Power=.120	Power=.569	Power=.051
	Stride velocity	P=.502	p=.972	p<.001
		${\eta }_p^2=.021$	${\eta }_p^2<.001$	${\eta }_p^2=.635$
		Power=.100	Power=.050	Power=1.000
	Stance percent	P=.654	p=.252	p=.007
		${\eta }_p^2=.009$	${\eta }_p^2=.059$	${\eta }_p^2=.289$
		Power=.072	Power=.203	Power=.816