Organism | No. of isolates | No. (%) of isolates | ||
(% of total tested) | Agreement to genus, species level | Agreement to genus only | Discordant results | |
Non-fermenters | ||||
Achromobacter xylosoxidans | 21 (5) | 9 (43) | 12 (57) | |
Acinetobacter baumannii | 11 (2) | 8 (73) | 3 (27) | |
Acinetobacter lwoffii | 3 (<1) | 3 (100) | ||
Acinetobacter sp. | 1 (<1) | 1 (100) | ||
Pandoraea pnomenusa* | 1 (<1) | 1 (100) | ||
Ralstonia pickettii | 2 (<1) | 1 (50) | 1 (50)† | |
Stenotrophomonas maltophilia | 58 (13) | 49 (84) | 9 (16)‡ | |
Pseudomonas aeruginosa§ | 124 (27) | 124 (100) | ||
B cepacia complex | ||||
Burkholderia cenocepacia* | 14 (3) | 12 (86) | 2 (14) | |
Burkholderia cepacia* | 2 (<1) | 1 (50) | 1 (50) | |
Burkholderia contaminans* | 1 (<1) | 1 (100) | ||
Burkholderia dolosa* | 1 (<1) | 1 (100) | ||
Burkholderia multivorans* | 8 (<2) | 8 (100) | ||
Burkholderia vietnamiensis* | 2 (<1) | 2 (100) | ||
Burkholderia gladioli* | 1 (<1) | 1 (100) | ||
Other routine organisms | ||||
Haemophilus influenzae | 25 (5) | 25 (100) | ||
Staphylococcus aureus | 189 (41) | 189 (100) |
↵* Reference methods performed at the B cepacia Research Laboratory and Repository.
↵† Strain identified by MALDI-TOF MS as Herbaspirillum huttiense confirmed by 16s sequence analysis.
↵‡ Known limitation of taxon overlap with Pseudomonas hibiscola (n=6), P geniculata (n=2) and P betelei.
↵§ One mucoid isolate required extraction.