Controls | Acid reflux | Food regurgitation | |
---|---|---|---|
(n=30) | (n=20) | (n=20) | |
Preprandial | |||
Bradygastria | 2.2 (0–8) | 3.7 (0–8) | 4.7 (1–9) |
Normal | 86.8 (76–98) | 89.6 (84–97) | 82.1 (75–90) |
Tachygastria | 2.7 (0–9)1-150 | 5.0 (0–9) | 11.2 (5–16)1-150 |
DFIC | 23.0 (13–34) | 23.0 (9–31) | 33.5 (21–39) |
Postprandial | |||
Bradygastria | 2.0 (0–4) | 2.1 (0–6) | 5.9 (0–10) |
Normal | 94.1 (82–100)1-165 | 88.0 (76–96) | 73.6 (66–93)1-165 |
Tachygastria | 3.9 (0–8)1-160 | 5.6 (0–17) | 15.0 (4–22)1-160 |
DFIC | 17.0 (9–27)1-165 | 23.5 (17–34) | 33.5 (21–39)1-165 |
Power ratio | 1.7 (1–4) | 2.3 (1–5) | 1.7 (1–4) |
Values are percent of the recording except for power ratio. Regurgitation patients had significantly more tachygastrias throughout the whole recording, and a more unstable electrical frequency following the test meal.
DFIC, dominant frequency instability coefficient.
↵1-150 p<0.02;
↵1-160 p<0.01;
↵1-165 p<0.003.