TABLE 2. Comparison according to pre and early (six months) postoperative complementary exams .

Variables	Assessment		p*
Manometry	Pre	Post
Total median LES length (cm)	3.6	4.8	<0.001
Abdominal median LES length (cm)	1.2	3.0	<0.001
LES median pressure (mmHg)	6.6	19.2	<0.001
pHmetry
Total time % median pH <4	7.5	0.3	<0.001
Orthostatic % median pH <4	6.8	0.9	<0.001
Supine % median pH <4	6.8	0.4	<0.001

*p value in bold indicates statistical difference between proportions at 5% (p<0.05), using exact Wilcoxon’s test