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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Neurogastroenterol Motil. 2011 Sep 19;23(12):1066–1072. doi: 10.1111/j.1365-2982.2011.01787.x

Table 2.

Comparison of Proximal and Distal Smooth Muscle Contraction Segments (Segment 2 and Segment 3)

Segment 3:Segment 2 Ratio Acid Sensitive* GERD Controls
Segment Length 0.92 [0.75–1.08] 0.47 [0.35–0.58] 0.80 [0.66–0.93]
Peak Amplitude 1.45 [1.28–1.62] 0.99 [0.88–1,11] 1.13 [0.97–1.29]
Pressure Volume 3.05 [2.32–3.78] 0.77 [0.53–1.01] 1.20 [0.95–1.45]
*

p<0.001 compared to GERD and controls for all categories

Values in parenthesis indicate 95% confidence intervals