Characteristics of the participants
This study screened 72 participants. Among them, 9 did not meet the inclusion criteria, and 12 refused to participate. Finally, 51 participants were enrolled. One patient in the VR group did not undergo the training and dropped out of the study. The attendance rate of the VR group was 96.15%. All participants complied with the training program. Results showed no significant differences between the two groups in terms of age, sex, body mass index, application of auxiliary devices, incidence of comorbidities, and current smoking and alcohol consumption (