Clinical Trials Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Feb 6, 2023; 11(4): 797-808
Published online Feb 6, 2023. doi: 10.12998/wjcc.v11.i4.797
Figure 2
Figure 2 Flowchart of participant recruitment and study processes. A questionnaire survey was conducted on 55 participants, and 20 g lactose hydrogen breath test was performed on 46 subjects who were assumed to have lactose intolerance symptoms. Thirty-five subjects were diagnosed with lactose malabsorption, of which 32 underwent and completed the treatment study without dropping out. LM: Lactose malabsorption.