(Upper) number of patients experiencing bacteremia and types of bacteremia found in their blood cultures. (below) number of patients with candidemia. When more than 1 microorganism was detected in the same patients in one or more blood culture (e.g. gram-positive -and negative bacteria), both were documented. However, when different bacteria were classified in the same category, they were only counted once for that category (e.g. staphylococcus epidermidis and hominis). CNS = coagulase-negative staphyloccus.