Table 3. Studies assessing the diagnostic and prognostic roles of Lp-PLA2 in chronic obstructive pulmonary disease.

Study	Conclusion	Ref.
Deng et al.	Lp-PLA2 was shown to be a promising biomarker for chronic obstructive pulmonary disease patients and suitable for assessing exercise tolerance in clinical practice.	[56]
Seri et al.	A correlation of superimposed thrombosis was shown in patients with respiratory infection and increased Lp-PLA2 levels as well as vascular endothelial growth factor.	[57]