Efficacy of incremental loads of cow’s milk as a treatment for lactose malabsorption in Japan

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.