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. 2010 Feb 18;298(5):G601–G607. doi: 10.1152/ajpgi.00486.2009

Table 3.

UES response, acidity, and extent of reflux in upright and recumbent position during TLESR episodes associated with reflux

Upright Position
Recumbent Position
NSubject = 10 NTLESR = 99 UES Relaxation No Response UES Contraction UES Relaxation No Response UES Contraction
Acid 24 1 3 3 1 30
Weakly acid 23 2 2 0 4 7
Proximal 44 1 3 2 1 22
Distal 3 2 2 1 4 15