Table 4– Sample sizes for various representations of data using t-test

Representation of data	*Means placebo^# versus* mepolizumab^¶**	Measures of dispersion	Difference between the groups, detected or relative effect	Sample sizes for each group
Change in absolute percentage count %⁺	17.92 versus -21.05	Pooled sd=22.9	38.9	6
Mean fold change^§	0.9 versus 48.9	Pooled sd=1.47 (ln scale)	54 fold or 3.8 (ln scale)	2

^#: n=10; ^¶: n=8; ⁺: calculated as baseline % - end of treatment %; ^§: baseline/end of treatment.