Table 3.

Distribution of esophageal pH monitoring results.

Parameters from pH-Metry	n	Mean	Me	IQR	Min	Max
De Meester index	23	27.8	15.1	30.2	1.7	136.4
De Meester index (post-meal)	23	9.8	7.5	10.5	1.5	37
GER episodes—recumbent	22	34.5	10	37.0	0	250
GER episodes—24 h	22	136.1	107	159.0	7	570
Mean pH (night)	23	6.4	6.5	0.9	4.3	8.1
Mean pH—24 h	23	6.2	6.2	0.8	5.0	7.2
Esophageal clearance time	22	37.0	35.5	24.0	8	91
Esophageal clearance time—recumbent	22	31.7	22.5	35.0	0	138
Longest GER episode	23	13.7	4.9		0.3	59.3