Strains Survival CFU/m2x 103 /%
  Zero Time 24 h CFU  % 48 h CFU  % 96 h CFU  % 192 h CFU   %
Staphylococcus aureus 1516 1562 103 % 185 122% 2500 165% 1395 92%
Pseudomonas aeruginosa 1500 75 5 % 0 0 0 0 0 0
Candida albicans 1583 7 0.44 % 0 0 0 0 0 0
Enterococcus faecalis 1480 1156 78 % 474 32% 89 6% 0 0
Acinetobacterbaumannii 1550 8.4 0.54 % 0 0 0 0 0 0
Klebsiellapneumoniae 1586 7.5 0.47 % 0 0 0 0 0 0
Table 1: Survival ability in external environment of bacterial strains, isolated from cases of nosocomial infections in hospitalized patients, used for in vitro trials.