Skip to main content

Table 2 Significant growth (≥104 CFU/ml) of potential pathogens recovered from IC, DC4, and DC-80

From: Storage of bronchoalveolar lavage fluid and accuracy of microbiologic diagnostics in the ICU: a prospective observational study

Species of potential pathogens IC DC4 Mean decrease ± SD DC-80 Mean Decrease ± SD
Gram-positive bacteria      
   Staphylococcus aureus 21 20 0.190 ± 0.510 19 0.238 ± 0.590
   Enterococcus faecalis 15 15 0 13 0.400 ± 0.910
   Streptococcus pneumoniae 5 5 0 4 0.600 ± 0.890
Gram-negative bacteria      
   Pseudomonas aeruginosa 28 28 -0.071 ± 0.460 3 3.250 ± 1.290
   Escherichia coli 11 9 0.182 ± 0.400 6 2.180 ± 1.080
   Haemophilus influenzae 8 8 0 8 1.750 ± 0.710
   Enterobacter cloacae 7 7 0.143 ± 0.690 3 2.000 ± 1.000
   Klebsiella oxytoca 3 3 0 0 -
   Klebsiella pneumoniae 3 3 0 0 3.000 ± 1.000
   Stenotrophomonas maltophilia 3 3 0.333 ± 0.580 1 2.000 ± 1.000
   Hafnia alvei 2 2 -0.500 ± 0.710 0 1.000 ± 0.000
   Morganella morganii 2 2 0 0 2.000 ± 1.000
   Acinetobacter baumannii 2 2 0 1 0.500 ± 0.710
   Citrobacter koseri 1 1 - 0 -
   Enterobacter aerogenes 1 1 - 0 -
   Pantoea spp. 1 0 - 0 -
   Providencia alcalifaciens 1 1 - 0 -
   Serratia marcescens 1 1 - 0 -
Total 115 111   58  
  1. IC, immediate culture; DC4, delayed culture after storage at 4°C; DC-80, delayed culture after storage at -80°C. Mean decrease expressed as log10 of CFU/ml ± SD