Table 2.

Gastric volumes by single photon emission computed tomography (SPECT) and barostat

	Barostat	SPECT fundic volume (ml)	p Value (barostat v SPECT fundic)	SPECT total gastric volume (ml)	p Value (barostat v SPECT total gastric)
Baseline volume (ml)	226 (39)	119 (15)	0.084	182 (18)	0.407
Post glucagon volume (ml)	632 (51)	139 (18)	0.002	194 (25)	0.003
Difference (ml)	406 (56)	19 (5)	0.007	12 (10)	0.007
Post glucagon ratio	3.02 (0.54)	1.16 (0.03)	0.046	1.06 (0.05)	0.039

Values are expressed as means (SEM).