Correction: Clinical implications of serum total VEGF-A and VEGF-A isoforms in patients with EGFR-mutated advanced non-small cell lung cancer treated with EGFR-TKIs

In Table 2 of this article, the values under the column header 'PFS (Cox hazard analysis)' were inadvertently omitted.For completeness and transparency, the old incorrect version and the corrected version of Table 2 are displayed below.* p < 0.05, ** p < 0.01, and *** p < 0.001, logistic regression analysis or Cox proportional hazard model † OR and 95% CI could not be calculated because only one group responded to EGFR-TKI