posted on 2024-03-01, 18:40authored byLin Li, Xuekui Liu, Xia Zhang, Yan Zhang, Qing Li, Houfa Geng, Li Shi, Ben Wang, Qinqin Qiu, Tianpei Yu, Yiquan Sang, Lyying Wang, Wei Xu, Jun Liang
Means with standard deviation (SD) were used for continuous characteristic variables and categorical variables were expressed as frequencies. Differences in categorical variables between exposed groups were analyzed by Kruskal Wallis test or Mann Whitney test. Spearman correlation analysis was used to analyze the differences of continuous variables between groups.