Efficacy of endoluminal gastroplication in Japanese patients with proton pump inhibitor-resistant, non-erosive esophagitis

Table 3 Twenty-four hour intra-esophageal ambulatory multichannel intraluminal impedance-pH monitoring data at baseline and 3 mo after endoluminal gastroplication

	n	Baseline	3 mo
24-h intra-esophageal time pH < 4 (%)	18	4.1 ± 4.0	10.4 ± 19.2
Numbers of reflux events, %	10	100.3 ± 16.1	79.5 ± 13.5
Symptom index (SI), %	10	70.9 ± 9.2	79.0 ± 10.1
Symptom sensitivity index (SSI), %	10	16.1 ± 12.9	3.9 ± 8.3b
Number of symptom events, %	10	27.2 ± 5.9	7.3 ± 5.2b

^bP < 0.01 vs 3 mo after endoluminal gastroplication by Wilcoxon’s signed rank test.