Fig. 2
From: Prognostic value of angiopoietin-2 in non-small cell lung cancer patients: a meta-analysis
The difference of the Ang-2 expression on NSCLC patients and control. a For the meta-analysis of two-category variables, six articles assessed the correlation between Ang-2 expression and NSCLC. b Five articles detected Ang-2 content through ELISA in NSCLC serum or normal serum, to analyze the relationship between Ang-2 expression and NSCLC