highly significantp<0·0001
The correlation between in-vitro PSA survival rates and plasmepsin 2–3 copy number was highly significant ( r =0·83 [95% CI 0·67–0·91], p<0·0001 for plasmepsin 2 copy number and r =0·85 [0·71–0·93], p<0·0001 for plasmepsin 3 copy number).