Vegetal and Animal Food Proteins Have a Different Impact in the First Postprandial Hour of Impedance-pH Analysis in Patients with Heartburn

Table 3

MII-pH results in three different subgroups of patients with heartburn.

	NERD (55)	HE (49)	FH (61)
AET total	6.3 ± 4.8	1.9 ± 0.7	0.5 ± 0.6	0.001
AET upright	7.7 ± 4	3.1 ± 1.6	0.8 ± 1.1	0.001
AET recumbent	4.8 ± 1.2	0.4 ± 0.6	0.1 ± 0.2	0.001
Total reflux events	86 ± 33.4	36 ± 9.2	23.6 ± 7.9	0.001
Proximal reflux extension	31.4 ± 7.6	11.8 ± 4.9	9.1 ± 2.3	0.001
Acid reflux	58.7 ± 24.3	24.1 ± 6.1	13.1 ± 6.5	0.001
Nonacid reflux	27.4 ± 18.9	11.8 ± 6.4	9.5 ± 5.7	0.001
SI/SAP positive	70.9% (39/55)	100% (49/49)	0% (0/61)	N/A
MNBI	1047 ± 518	1971 ± 345	3358 ± 762	0.001
PSPW index	39.4 ± 5.3	51.7 ± 7.2	71.9 ± 6.8	0.001

AET: acid exposure time; SI: symptom index; SAP: symptom association probability; NERD: nonerosive reflux disease; HE: hypersensitive esophagus; FH: functional heartburn.