Table 6. Regurgitation parameters at inclusion and after 1 month of treatment in patients completing the study (n=2,421).

Parameter		At inclusion	After 1 month	OR (95% CI)	p-value
Regurgitation frequency		n=2,415	n=2,358	105.70 (88.01–126.94)	<0.001
	None	-	1,145 (48.6)
	1–2 per day	139 (5.8)	906 (38.4)
	3–4 per day	995 (41.2)	266 (11.3)
	5–6 per day	939 (38.9)	33 (1.4)
	>6 per day	342 (14.2)	8 (0.3)
Regurgitation volume		n=2,416	n=2,345	146.25 (119.42–179.12)	<0.001
	None	-	1,114 (47.5)
	Insignificant	268 (11.1)	1,097 (46.8)
	Significant	1,401 (58.0)	121 (5.2)
	Excessive	747 (30.9)	13 (0.6)

Values are presented as number (%).

OR: odds ratio, CI: confidence interval.