From: Efficacy and safety of peppermint oil for the treatment in Japanese patients with irritable bowel syndrome: a prospective, open-label, and single-arm study
Visit
Degree of the physician’s global assessment
N
Improved casesa
%b(95% CI)
-1
0
1
2
Week 2
18
40
9
67
49
73.1 (61.0, 83.2)
Week 4
8
39
57
85.1 (74.3, 92.6)