The Effect of Adding Neuromuscular Electrical Stimulation with Endurance and Resistance Training on Exercise Capacity and Balance in Patients with Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial

Table 3

Statistical results of the ANOVA analysis of static balance parameters (3-way ANOVA).

Parameters	3-way ANOVA
	CoPML (mm)		CoPAP (mm)		CoPv (mm/s)
	F-value		F-value		F-value
Group	7.49	0.01	4.25	0.05	19.19	<0.001
Period	458.23	<0.001	139.4	<0.001	619.91	<0.001
Vision	119.42	<0.001	500.02	<0.001	282.31	<0.001
Group × period	31.59	<0.001	8.85	<0.01	19.48	<0.001
Group × vision	0.70	0.41	0.00	0.98	4.08	0.05
Period × vision	9.17	<0.001	7.46	<0.01	22.38	<0.001
Group × period × vision	0.09	0.76	0.08	0.77	0.055	0.81

CoP_ML: center of the pressure in the mediolateral direction; CoP_AP: center of the pressure in the anterior-posterior direction; CoP_v: oscillation velocity of the pressure center.