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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: J Pediatr Gastroenterol Nutr. 2016 Aug;63(2):236–241. doi: 10.1097/MPG.0000000000001098

Figure 1.

Figure 1

Mean difference (±95% CI) in pH Impedance between the 1st 4 hours and the abridged data (for number of non-acid reflux episodes/hour and total number of reflux episodes per hour), in patients aged ≥1 year, controlling for opioids, ondansetron, BMI, PPI and esophagitis. p-values are for the comparison of the difference versus a null hypothesis of no difference.