TABLE 1.
Culture and DGGE results
| Parameter | Culture |
DGGE |
||||
|---|---|---|---|---|---|---|
| Catheter | Urine | Total | External | Internal | Mixed | |
| Total no. of analyzed catheters | 24 | 16 | 24 | 19 | 19 | 5 |
| No. positive/no. negativea | 23/1 | 7/9 | 14/10 | 10/9 | 10/9 | 1/4 |
| No. polymicrobial/no. monomicrobialb | 10/13 | 3/4 | 4/10 | 2/8 | 2/8 | 0/1 |
| Total no. of species | 16 | >7 | 13 | 9 | 11 | 1 |
| Catheter no. | ||||||
| Gram-negative bacteria | ||||||
| Achromobacter denitrificans | 11 | 11 | 11 | |||
| Citrobacter koseri | 9, 14 | 9 | 14 | 14 | ||
| Escherichia coli | 13 | |||||
| Enterobacter cloacae | 1 | |||||
| Enterobacter sp. | 1 | 1 | ||||
| Klebsiella oxytoca | 7 | 7 | 7 | 7 | ||
| Klebsiella pneumoniae | 10 | 10 | 10 | |||
| Morganella morganii | 13 | |||||
| Pseudomonas aeruginosa | 12 | 12 | ||||
| Stenotrophomonas maltophilia | 9 | 9 | ||||
| Gram-positive bacteria | ||||||
| Actinomyces neuii | 12 | 12 | ||||
| CoNS | 2, 8, 9, 11, 17–19, 20–23 | |||||
| Corynebacterium jeikeium | 19 | |||||
| Corynebacterium sp. | 6, 8 | |||||
| Uncultured Corynebacterium sp. | 2 | |||||
| Enterococcus faecalis | 3, 4, 13, 19, 21, 24 | 19 | 10, 13, 19 | 4, 19 | 21 | |
| Enterococcus faecium | 17, 24 | |||||
| Micrococcus luteus | 9 | |||||
| Nonhemolytic streptococci | 8 | 13 | ||||
| Staphylococcus epidermidis | 5, 16 | 6 | ||||
| Staphylococcus haemolyticus | 2, 8 | 2 | ||||
| Unidentified mixed bacterial species | 8, 9 | |||||
| Fungi | ||||||
| Candida albicans | 17 | |||||
| Candida glabrata | 20 | |||||
a
That is, the number of positive identifications/the number of negative identifications.
b
That is, the number of polymicrobial identifications/the number of monomicrobial identifications.