Fasting | 0–30 min | 30–60 min | 60–90 min | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sensor location | HP− | HP+ | p Value | HP− | HP+ | p Value | HP− | HP+ | p Value | HP− | HP+ | p Value |
5 cm proximal | 0.0 (0.0) | 0.0 (0.0) | 0.271 | 0.2 (0.4) | 0.0 (0.7) | 0.384 | 0.0 (0.7) | 0.0 (0.5) | 0.354 | 0.0 (1.2) | 0.0 (0.5) | 0.280 |
1.1 cm proximal | 1.1 (2.8) | 0.0 (0.1) | 0.004 | 3.0 (2.8) | 0.0 (1.3) | 0.005 | 2.1 (14.3) | 0.3 (2.8) | 0.046 | 2.0 (6.4) | 0.6 (0.7) | 0.088 |
Peak LES pressure | 1.7 (4.9) | 0.0 (1.0) | 0.001 | 4.2 (6.5) | 0.6 (2.0) | <0.001 | 3.7 (15.3) | 0.9 (4.4) | 0.017 | 2.7 (8.7) | 1.2 (7.4) | 0.162 |
1.1 cm distal | 6.6 (30.6) | 1.0 (7.3) | 0.008 | 15.4 (30.8) | 1.8 (19.3) | 0.003 | 33.9 (67.0) | 5.2 (33.0) | 0.021 | 7.6 (77.1) | 10.1 (25.5) | 0.264 |
2.2 cm distal | 32.1 (65.4) | 2.8 (21.7) | 0.004 | 62.9 (49.7) | 22.6 (51.8) | 0.001 | 90.8 (28.7) | 63.2 (81.1) | 0.002 | 81.1 (51.7) | 55.1 (84.7) | 0.026 |
3.3 cm distal | 75.6 (48.2) | 13.5 (75.6) | 0.003 | 64.9 (45.7) | 46.4 (66.1) | 0.004 | 99.7 (9.3) | 91.5 (49.0) | 0.017 | 99.2 (3.2) | 91.0 (59.1) | 0.009 |
4.4 cm distal | 93.0 (42.3) | 42.4 (42.3) | <0.001 | 44.2 (69.2) | 15.1 (53.0) | 0.032 | 99.0 (18.7) | 88.9 (77.9) | 0.111 | 100.0 (3.0) | 99.4 (20.7) | 0.043 |
5.5 cm distal | 97.6 (14.0) | 60.4 (62.1) | 0.001 | 24.3 (47.4) | 12.9 (48.5) | 0.375 | 96.2 (37.3) | 86.1 (88.2) | 0.083 | 100.0 (1.2) | 99.8 (80.1) | 0.105 |
6.6 cm distal | 99.5 (4.8) | 84.8 (61.6) | 0.011 | 13.7 (46.4) | 9.9 (21.7) | 0.355 | 82.8 (72.6) | 38.5 (99.3) | 0.104 | 99.8 (9.0) | 96.8 (61.0) | 0.099 |
LES, lower oesophageal sphincter.