2.1. Study design
A placebo-controlled, parallel-arm, randomized experiment was carried out in Jiangsu from January 2019 to December 2021. A total of 267 patients were screened over this period, and 239 of these were initially enrolled in the study to form the intention-to-treat population. To determine if the intervention is superior, the present research was conducted. The Clinical Research Ethics Committees of the 904Study design.