Table 3:

Sample size for rCBV estimation methods^a

Methods	Minimum Sample Size for rCBV Estimation
	To Detect a 10% Change		To Detect a 20% Change
	nRCBV	sRCBV	nRCBV	sRCBV
1	234	115	59	29
2	176	145	44	37
3	118	109	30	28
4	643	147	161	37
5	275	215	69	54
6	215	194	54	49

^aListed are the minimum sample sizes required to detect a parameter change of 10% or 20% in nRCBV or sRCBV.