Enrollment and loss to follow-up
In this study, we evaluated 223 patients, including 22 patients who did not meet the inclusion criteria, and 30 patients who met the inclusion criteria but refused to participate in the study. Finally, a total of 171 patients were enrolled and randomly assigned to the control and treatment groups. During the intervention process, patients lost to follow-up were excluded, and patients in the 0-week treatment group (Research flowchart.