Table 2.
Day to Day Reproducibility of Gastric Volumes Measured by MRI
| Measurements relative to meal | HASTE | LAVA | ||||
|---|---|---|---|---|---|---|
| Day 1 | Day 2 | CCC (95% CI) | Day 1 | Day 2 | CCC (95% CI) | |
| Fasting | 190 ± 21 | 179 ± 14 | 0.43 (−0.06, 0.92) | 179 ± 13 | 169 ± 10 | 0.66 (0.26, 1.0) |
| Postprandial 5 | 565 ± 36 | 563 ± 29 | 0.62 (0.15, 1.0) | 603 ± 27 | 597 ± 25 | 0.65 (0.23, 1.0) |
| Postprandial 10 | 535 ± 28 | 515 ± 23 | 0.87 (0.70, 1.0) | 591 ± 17 | 572 ± 20 | 0.31 (−0.23, 0.93) |
| Postprandial 20 | 508 ± 18 | 491 ± 13 | 0.64 (0.27, 1.0) | 556 ± 19 | 522 ± 17 | −0.11 (−0.68, 0.45) |
| Postprandial 30 | 481 ± 18 | 462 ± 19 | 0.27 (−0.37, 0.91) | 523 ± 20 | 512 ± 16 | −0.001 (−0.67, 0.67) |
| Postprandial change 5 | 365 ± 14 | 384 ± 13 | 0.63 (0.19, 1.0) | 425 ± 19 | 421 ± 22 | 0.35 (−0.29, 0.99) |
| Postprandial change 10 | 336 ± 11 | 336 ± 13 | 0.05 (−0.74, 0.84) | 414 ± 14 | 396 ± 21 | −0.40 (−0.95, 0.14) |
| Postprandial change 20 | 312 ± 11 | 316 ± 9 | 0.14 (−0.57, 0.85) | 377 ± 20 | 352 ± 22 | −0.18 (−0.80, 0.44) |
| Postprandial change 30 | 286 ± 14 | 286 ± 14 | 0.13 (−0.60, 0.86) | 344 ± 22 | 343 ± 20 | −0.70 (−1.0, −0.34) |
Data are based on 10 subjects who had 2 MRI examinations. For all parameters, differences between first and second studies were not statistically significant and the Bland Altman assessment was negative.