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Fig. 3 | Respiratory Research

Fig. 3

From: Utility of bile acids in large airway bronchial wash versus bronchoalveolar lavage as biomarkers of microaspiration in lung transplant recipients: a retrospective cohort study

Fig. 3

Heatmaps showing correlations between biomarker levels within LABW and between sample types. Spearman correlation was used to assess correlations between two biomarker levels within LABW (A) and between LABW and BAL (B). The colour and size of circles indicate respectively the direction (blue = positive; red = negative) and strength (larger = stronger; smaller = weaker) of correlation. Statistically significant correlations as defined by P < 0.05 are indicated by a star

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