Table 2.

Data of pre- and post-intervention measurements

Variable		Low- amplitude group	Highamplitude group	P
Stroke volume, cubic centimeters	Pretest	72.42±14.34	75.43±15.71	0.47
	Post-test	78.42±23.19	75.85±14.66	0.72
	P value	0.06	1.00
Ejection fraction, percent	Pretest	65.22±3.41	65.58±3.44	0.97
	Post-test	67.00±4.18	65.75±3.33	0.49
	P value	0.52	0.84

Values are mean±SD; *P<0.05 significant change; comparison between pre-exercise and post-exercise