Efficacy and safety of peppermint oil for the treatment in Japanese patients with irritable bowel syndrome: a prospective, open-label, and single-arm study

Table 5 Improvement rate of the patient’s global assessment (PtGA) for each IBS subtype (FAS)

Visit	IBS subtypes	Degree of the patient’s global assessment				N	Improved cases^a	%^b(95% CI)
Visit	IBS subtypes	-1	0	1	2	N	Improved cases^a	%^b(95% CI)
Week 2	IBS-C	0	6	8	4	18	12	66.7 (41.0, 86.6)
	IBS-D	0	10	20	3	33	23	69.7 (51.3, 84.4)
	IBS-M	0	3	11	2	16	13	81.3 (54.4, 95.9)
Week 4	IBS-C	0	2	13	3	18	16	88.9 (65.3, 98.6)
	IBS-D	2	5	17	9	33	26	78.8 (61.1, 91.0)
	IBS-M	0	1	12	3	16	15	93.8 (69.8, 99.8)

^aThe total number of subjects with the degree of the patient’s global assessment of “2” or “1”
^bThe number of subjects with improvement as a percentage of all analysis subjects

ISSN: 1751-0759