SPSS22.0 software was used to analyze the data. Measurement data were represented by (), and the independent sample T-test was performed. Counting data were represented by (n; %), the χ2 test was performed. The predictive value was analyzed by the ROC curve. P < 0.05 was considered as a statistically significant difference.
Do you have any questions about this protocol?
Post your question to gather feedback from the community. We will also invite the authors of this article to respond.