. Author manuscript; available in PMC: 2011 Jun 1.

Published in final edited form as: Obesity (Silver Spring). 2009 Oct 29;18(6):1201–1211. doi: 10.1038/oby.2009.360

Table 2.

Primary response measures

Response Type	Mean	CV %	Effect Size (%) Detectable with 80% Power (α= 0.05)
Response Type	Mean	CV %	N=25^† vs. 37	N=10^† vs. 52
Solid (egg meal) gastric emptying t_1/2	112	32	24	32
Satiety volume (ml)	1350	25	19	25
Fasting gastric volume (ml) by SPECT	215	31	23	31
Post-meal gastric volume (ml) by SPECT	673	16	12	16
Δ (PP-Fasting) gastric volume by SPECT	716	17	13	17

^†

Number in the minor allele subgroup