Fig. 6: Correlation between clinical parameters and pre-diagnosis activity metrics. | npj Cardiovascular Health

Fig. 6: Correlation between clinical parameters and pre-diagnosis activity metrics.

From: Assessing the feasibility of using smartphone data to identify risk of idiopathic pulmonary arterial hypertension

Fig. 6: Correlation between clinical parameters and pre-diagnosis activity metrics.The alternative text for this image may have been generated using AI.

a Heatmap showing Pearson correlation coefficients between digital health metrics and clinical parameters from the My Heart Counts dataset. Colour intensity reflects the strength and direction of correlation (range: −1 to +1), with red indicating positive and blue indicating negative associations. p < 0.05 was considered significant, and correlations \(\rho > 0.4.\) b Correlation coefficients and p-values for 6-min Walk Test (6MWT), Incremental Shuttle Walk Test (ISWT), and WHO Functional Class and ERS calculated walk scores (Walk score).

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