Skip to main content

View full-text article in PMC

. 2017 Feb 28;12(2):e0173158. doi: 10.1371/journal.pone.0173158

Table 4. Coefficients for the correlations between the constituents in the PM samples and the measured inflammatory responses.

Inflammatory biomarker
	Neutro	Eosino	IFN-γ	TNF-α	IL-5	IL-6	IL-17A
Na⁺	0.663^**	0.809^**	0.398^**	0.544^**	0.309^*	0.217	0.331^**
NH₄⁺	0.348^**	0.276^*	0.143	-0.035	0.026	-0.172	0.099
K⁺	0.163	0.218	0.181	-0.153	0.198	-0.119	0.178
Mg²⁺	0.562^**	0.73^**	0.424^**	0.429^**	0.427^**	0.264^*	0.366^**
Ca²⁺	0.54^**	0.672^**	0.404^**	0.467^**	0.423^**	0.244	0.335^**
Cl^-	0.569^**	0.743^**	0.417^**	0.448^**	0.433^**	0.269^*	0.372^**
NO₃^-	0.446^**	0.666^**	0.314^**	0.342^**	0.285^*	0.224	0.291^*
SO₄^2-	0.394^**	0.309^*	0.145	-0.042	0.037	-0.176	0.104
OC	0.144	0.313^*	0.094	-0.154	0.191	-0.081	0.142
EC	0.102	0.259^*	0.225	-0.113	0.25	-0.04	0.218
Endo	0.796^**	0.6^**	0.211	0.426^**	-0.001	-0.057	0.109

The values are represented as Spearman’s correlation coefficients.

**p<0.01

*p<0.05

Neutro, percentage of neutrophil; Eosino, percentage of eosinophil; Endo, endotoxin.