2.6. Statistical analysis

SW Siyu Wang
LZ Lei Zhao
YW Yuxing Wang
XY Xiandong Yin
XY Xinchun Yang
YL Ye Liu
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Descriptive analysis was expressed as mean ± standard deviation for continuous variables and percentage for categorical variables. Correlation analysis was performed between each variable. Besides, partial correlation coefficients were used to describe linear relationship between 2 variables while controlling for the effects of other variables. A P < .05 was considered statistically significant. R 3.4.2 was used for statistical analysis.

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