. Author manuscript; available in PMC: 2014 Jul 10.

Published in final edited form as: J Gastrointest Surg. 2011 Oct 28;16(1):16–25. doi: 10.1007/s11605-011-1741-1

Table 2.

Each reflux event and percent time acid exposure during 24-h MII-pH

	LPR	Full column reflux	Total reflux events	% time acid exposure
				Upright	Supine	Total
Off PPI (n=34)
Median (25th,75th)	0 (0, 0)	1 (0, 3)	22 (8, 32)	0.9 (0.2, 2.3)	0 (0, 0.2)	0.7 (0.1, 1.4)
95th percentile	0	4	48	4.0	0.9	3.0
On PPI (n=25)
Median (25th, 75th)	0 (0, 0)	0 (0, 2)	24 (10, 28)	0.5 (0, 1.4)	0 (0, 0.2)	0.4 (0, 0.8)
95th percentile	1	4	40	3.0	1.8	2.0

The 95th percentile values represent the upper limit of normal values