Table 5. Association of distal baseline impedance with pH parameters.

Parameter	rho	P value
Reflux index	−0.553	0.002**
Events	−0.576	0.001**
Mean duration (sec)	−0.106	0.590
Longest AGER (min)	−0.238	0.222
Events >5 min	−0.534	0.003**
DeMeester score	−0.510	0.006*

*P<0.05, **P<0.005. GER, gastroesophageal reflux; AGER, acid GER.