Table 1.
Quantification of SPW activity in 17 healthy subjects.
| Total SPWs | SPWs with gas expulsion | HAPWs | HAPW-SPWs (HAPW data) | HAPW-SPWs (SPW data) | |
|---|---|---|---|---|---|
| Baseline (90 min) | |||||
| Occurrence | N = 17 | N = 8 | N = 5 | N = 7 | N = 7 |
| n = 245 | n = 15 | n = 15 | n = 37 | n = 37 | |
| Amplitude (mmHg) | 12.1 ± 7.3 | 20.8 ± 4.3ooo | 146.6 ± 49.4 | 105.4 ± 49.7 | 20.21 ±10.2° |
| 5 – 38.4 | 7.1 – 31.0 | 74.8 – 270.9 | 34.3 – 206.2 | 2.9 – 38.4 | |
| Duration (seconds) | 13.8 ± 9.1 | 10.8 ± 4.6 | 78.6 ± 30.2 | 52.4 ± 21.7 | 18.0 ± 12.3 |
| 2 – 57.9 | 6 – 25 | 37 – 78 | 16 – 120 | 4.7 – 37.9 | |
| Proximal Balloon (20 min) | |||||
| Occurrence | N = 13 | N = 5 | N = 7 | N = 11 | N = 11 |
| n = 42 | n = 15 | n = 21 | n = 20 | n = 20 | |
| Amplitude (mmHg) | 15.3 ± 7.4 | 26.6 ± 10.1oooo | 150.5 ± 36.2 | 105.3 ± 63.8 | 15.5 ± 8.0 |
| 5 – 49.6 | 9.6 – 45.0 | 95.3 – 203.8 | 27.4 – 236.9 | 3.9 – 32.0 | |
| Duration (seconds) | 10.3 ± 8.0 | 8.1 ± 2.5 | 98.1 ± 46.9 | 67.8 ± 28.2∗ | 12.0 ± 7.7 |
| 2 – 36 | 3 – 12 | 44 – 219 | 24.2 – 124 | 5 – 30.1 | |
| Meal (90 min) | |||||
| Occurrence | N = 17 | N = 9 | N = 5 | N = 10 | N = 10 |
| n = 282 | n = 34 | n = 7 | n = 36 | n = 36 | |
| Amplitude (mmHg) | 15.3 ± 8.4 | 29.4 ± 12.6∗/oooo | 154.5 ± 69.8 | 95.6 ± 35 | 25.2 ± 13.4 |
| 5.1 – 47.2 | 2.1 – 66.3 | 63.8 – 146.0 | 31.3 – 176.5 | 6.7 – 61.3 | |
| Duration (seconds) | 10.8 ± 7.1∗∗∗∗ | 9.3 ± 6.8 | 67.2 ± 24.9 | 45.4 ± 23.3 | 15.6 ± 8.1 |
| 2 – 57.3 | 2 – 40 | 46 – 106 | 12 – 96 | 4 – 35 | |
| Bisacodyl (30 min) | |||||
| Occurrence | N ± 15 | N = 8 | N = 12 | N = 13 | N = 13 |
| n = 219 | n = 12 | n = 37 | n = 73 | n = 73 | |
| Amplitude (mmHg) | 19.7 ± 9.9∗∗∗∗ | 29.0 ± 6.0∗/ooo | 284.4 ± 50.9 | 132.3 ± 50.9 | 21.6 ± 13.1 |
| 3 – 57.5 | 18.4 – 36.8 | 88.8 – 322.5 | 47.2 – 225.6 | 5 – 57.5 | |
| Duration (seconds) | 10.1 ± 9.3∗∗∗ | 13.1 ± 4.7 | 77.6 ± 38.6 | 67.8 ± 37.3∗ | 15.1 ± 11.2 |
| 2 – 57 | 4 – 20 | 15 – 168 | 14 – 216 | 2 – 57 | |
Data are expressed as average ± SD and range; except occurrence; (N = # of subjects; n, number of motor patterns). ∗Comparison with their baseline conditions: ∗P ≤ 0.05, ∗∗P ≤ 0.01, ∗∗∗P ≤ 0.001, ∗∗∗∗P ≤ 0.0001. oComparison between SPW with gas expulsion vs. SPW without gas expulsion; oooP = 0.0001,ooooP < 0.0001.