Table 1 - pH probe criteria for diagnosis of gastroesophageal reflux disease
From the following article
Laryngeal and pharyngeal complications of gastroesophageal reflux disease
Gregory N. Postma and Stacey L. Halum
GI Motility online (2006)
doi:10.1038/gimo46
All % time less than pH 4. | |
| Total time | 4.2 % distal esophagus 1 % proximal esophagus |
| Upright | 6.3% distal 1.3% proximal |
| Recumbent | 1.2% distal 0.2% proximal |
| Total number reflux events | 45 |
| Pharynx probe | Any acid exposure |
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