Figure 3

Boxplots of immunohistochemistry data (% immunopositive cells) for ERα, ERβ1, PgR and Ki67 categorised by RT–PCR results (left) or IHC results (right) for ERα and ERβ1. The box represents the interquartile range, the line across the box indicates the median and the whiskers extend from the box to the highest and lowest values (excluding outliers and extreme points). Square, black markers represent outliers and extreme points.