Statistical analysis

TY Tao Yu
RS Runnan Shen
GY Guochang You
LL Lin Lv
SK Shimao Kang
XW Xiaoyan Wang
JX Jiatang Xu
DZ Dongxi Zhu
ZX Zuqi Xia
JZ Junmeng Zheng
KH Kai Huang
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Continuous variables were represented by the median with interquartile range (IQR) and compared using the Kruskal–Wallis test. Categorical variables are expressed as percentages, compared with chi-square tests. A two-sided P < 0.05 was considered statistically significant. Data imputation and significance tests were conducted using R software (version 3.6.3). Data preprocessing, model development, and further evaluation and validation were conducted using Python (version 3.8.5).

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