润色下面的句子：However the authors do not state the basis for model improvement in the study In other words what is the reference standard for the change of thresholds in Figures 3 and 4 Major revisions shou

However, the authors have not provided any information regarding the basis for improving the model in the study. In other words, it is unclear what standards or benchmarks were used for determining the changes in thresholds shown in Figures 3 and 4. Therefore, significant revisions need to be made in order to improve the overall quality of the manuscript and make it suitable for publication.