Table 2.

LVEF Heart Failure Example

		Null		Alternative
		Mean Change	SD	Mean Change	SD
RVG-LVEF	control	1.31	9.6	1.31	9.6
	active	1.31	10.6	6	10.6
Echo-LVEF	control	−1.5	7.3	−1.5	7.3
	active	−1.5	6.8	0	6.8
	SCE %		0.24
	% missing		0.07
	Type I error (two sided)		0.05
	Power		0.8
	c		1
	d		1
	k (active to control)		1
	Sample size (asymptotic)		536
	Sample size (exact)		540