Comparison of oesophageal manometry data obtained from acid sensitive and insensitive patients
| Manometric parameter | Acid insensitive | Acid sensitive |
| LOS pressure (mm Hg) | 13.16 ( 3.19) | 13.32 (1.64) |
| % Relaxation | 85.18 (4.88) | 84.61 (3.05) |
| Distal oesophagus (mm Hg) (3 cm above LOS) | 36.67 (8.31) | 50.42 (5.60) |
| Oesophageal body 1 (mm Hg) (8 cm above LOS) | 46.67 (10.05) | 57.00 (5.70) |
| Oesophageal body 2 (mm Hg) (13 cm above LOS) | 61.44 (13.74) | 65.89 (7.71) |
| Proximal oesophagus (mm Hg) (18 cm above LOS) | 46.55 (13.66) | 55.84 (6.99) |
| Velocity (cm/s) | 2.62 (0.32) | 3.20 (0.14) |
| Peak velocity (cm/s) | 2.24 (0.42) | 2.27 (0.14) |
No significant differences between the two groups for any parameter.
Data are mean (SEM).
LOS, lower oesophageal sphincter.