Table 2.

Results of weekly vomiting frequency at 12-month follow-up

Analysis method	N	Baseline	12-Month	Median per cent reduction	P-value
Completed case	18	17.3 (10–36.8)	2 (0.3–8.5)	87.1% (−80.4–100%)	<0.001
Per-protocol	19	17 (6–36.8)	2.3 (0.3–8.5)	85.3% (−80.4–100%)	<0.001
ITT	27	21.8 (9.5–36.8)	4 (1.5–23)	80.9% (−102.6–100%)	0.003

Results are presented as median (interquartile range).