Prospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Oct 28, 2016; 22(40): 8991-8998
Published online Oct 28, 2016. doi: 10.3748/wjg.v22.i40.8991
Table 2 Esophageal sphincters and strength of contractions
OP pH-OP pH+P value
UES length (cm)4.2 (4.0-4.7)4.3 (4.1-4.8)
UES resting pressure (mmHg)126.0 (96.3-59.7)71.0 (60.8-110.6)< 0.05
PCI (cm•mmHg•s)313.5 (243-489)215.5 (103-290)< 0.05
DCI (cm•mmHg•s)2612 (1121-3195)1540 (951-2921)
LES length (cm)4.65 (3.8-5.1)5.15 (4.1-5.5)
LES resting pressure (mmHg)28.0 (19.8-34.1)26.0 (20.8-30.8)
LES 4s-IRP (mmHg)12.6 (8.0-17.4)14.2 (11.4-19.1)