Fig. 8

The Correlations between the Differentially Expressed Metabolites and the Nasopharyngeal Microorganisms with a Relative Abundance of Over 1% at the Genus Level. The Pearson’s Rank Correlation Analysis method was used to analyze the correlations between the differentially expressed metabolites and microorganisms with a relative abundance of over 1%. Squares with * indicate that there are significant correlations between their corresponding metabolites and microorganisms (p < 0.05). Orange squares represent that the correlation coefficients (R) between their corresponding metabolites and microorganisms ≥ 0.5, grey squares represent the correlation coefficients (R) between their corresponding metabolites and microorganism range from -0.5 to 0.5, and green squares represent that the correlation coefficients (R) between their corresponding metabolites and microorganisms ≤ 0.5. *, p < 0.05; R, correlation coefficients rho