Results Summary (n = 20 Healthy Subjects)
| Parameter | 0 min | 30 min | 60 min | 120 min | 180 min | 240 min |
| IMD: gastric division into proximal and distal halves | 0.76 ± 0.14 | 0.50 ± 0.12 | 0.37 ± 0.13 | 0.13 ± 0.08 | 0.03 ± 0.04 | 0.01 ± 0.01 |
| IMD: gastric division into proximal and distal segments with Fourier-defined antral region | 0.85 ± 0.14 | 0.61 ± 0.16 | 0.48 ± 0.17 | 0.20 ± 0.10 | 0.06 ± 0.04 | 0.02 ± 0.02 |
| Total gastric retention (%) | 100.0 ± 0.0 | 86.2 ± 6.9 | 72.1 ± 11.5 | 39.8 ± 12.8 | 16.4 ± 9.9 | 5.8 ± 6.0 |
| Antral frequency (cycles/min) | 3.09 ± 0.31 | 3.30 ± 0.73 | 3.15 ± 0.28 | 2.96 ± 0.35 | NA | NA |
| Antral ejection fraction (%) | 26.28 ± 13.74 | 29.43 ± 13.42 | 27.96 ± 15.31 | 26.95 ± 9.38 | NA | NA |
| Contraction speed (mm/s) | 2.91 ± 1.89 | 3.04 ± 1.65 | 3.54 ± 0.90 | 2.67 ± 1.37 | NA | NA |
IMD = ratio of count in proximal stomach to total gastric count immediately after meal ingestion; NA = not available because of low count caused by majority of meal’s having left stomach.
Data are mean ± SD.