Results: 1. A total of 482 children’s data were effectively collected in this study, including 465 complete and valid data, and 17 missing data, with an effective rate of 96.5%.
Results: 1. A total of 482 children's data were effectively collected in this study, of which 465 were complete valid data, 17 cases of missing data were excluded, and the efficiency was as high as 96.5%.
Results: 1. In this study, a total of 482 children's data were collected effectively, including 465 cases of complete effective data, 17 cases of missing data were eliminated, and the effective rate was as high as 96.5%.<br>