Treatment of ingrowing toenails by surgeons and chiropodists

unit of infected blood would cost $6.25 ($0.50-0-8%) for counterimmunoelectrophoresis, $45.50 ($1.00? 2-2%) with reverse passive haemagglutination, and $28.60 ($2.00-7%) with ELISA. Screening with these three methods would avert giving a potentially in? fectious transfusion in 1*4%, 3*5%, or 10-8% of recipients, respectively (table). Thus the actual cost per recipient of preventing infection from transfusion of three units would be $107 (3x$0.50-L4%) for counterimmunoelectrophoresis, $86 (3 x $1.00?3*5%) for reverse passive haemagglutination, and $56 (3x $2.0-10-8%) for ELISA.