Figure 4From: Highly frequent promoter methylation and PIK3CA amplification in non-small cell lung cancer (NSCLC) Relationship of PIK3CA amplification (Odds Ratios) with tumor characteristics of NSCLC. Univariate logistic regression was performed to evaluate the relationship between PIK3CA amplification and clinicopathological characteristics of NSCLC cases. Details are as described in Methods. *, P < 0.05.Back to article page