Table 1

Gastric volumes by single photon emission computed tomography (SPECT) and barostat effects of meal and distension

BarostatSPECTCorrelation coefficient
Values are mean (SEM).
Fasting and postprandial volumes (ml) (n=16)
    Fasting volume238 (14) 627 (37)0.60 (p=0.02)
    Postprandial volume512 (25)1380 (37)0.64 (p=0.008)
    Difference274 (20) 753 (47)0.68 (p=0.003)
    Postprandial ratio 2.2 (0.12) 2.3 (0.15)0.8 (p=0.0001)
Postprandial and post-distension volumes (ml) (n=14)
    Before distention515 (27)1387 (39)
    After distention672 (11)1720 (51)
    Ratio 1.35 (0.07) 1.25 (0.04)