Figure 6.
High IL-8 levels in the circulation, but not tissues, correlates with the clinical outcome of systemic treatment. Meta-analysis of the HR for the association of circulating IL-8 in relation to OS (A,C) or PFS (B) and patients who received anti-angiogenic agents (A,B) or chemotherapy without anti-angiogenic agents (C). Meta-analysis of the HR for the association of IL-8 found in tissues and OS (D) or PFS (E) data.
