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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Neurogastroenterol Motil. 2014 Dec 29;27(2):277–284. doi: 10.1111/nmo.12493

Figure 4. Baseline pressure changes of the first pharyngeal sensor represent development of pressure drift trend throughout a manometry study.

Figure 4

Figure 4

A) Filtered baseline pressure measurement of the first pharyngeal sensor throughout initial 600 seconds of all pressure recordings (n=536). B) Number of manometry studies categorized based on the percentage of time that first pharyngeal baseline pressure remained within ± 2 mmHg of the final PD throughout the entire recording.