Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Mar 20;27(6):447–454. doi: 10.1111/resp.14246

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 The Authors. Respirology published by John Wiley & Sons Australia, Ltd on behalf of Asian Pacific Society of Respirology.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Correlation between particle constituents and cellular response. The correlation matrix shows the correlations between coal compositions and scores PC1, PC2 and PC3 which reflect cell cytotoxicity, the inflammatory response and fibrotic response, respectively. Each cell in the table shows the correlation coefficients between the two variables, with the corresponding colour intensity indicating the strength of the association. Numbers in bold indicate a significant correlation between the two variables (p <0.05). PCA, principal component analysis