Table 1.
Epidemiology of single-species and dual-species clinically diagnosed catheter-associated urinary tract infection in nursing home residents
| Microorganism | Single species | Dual species | |||||
|---|---|---|---|---|---|---|---|
| Total urine culturesa | Urine culturesb | %c | Urine culturesd | %e | |||
| Proteus mirabilis | 48 | 28 | 22 | 20 | 35 | ||
| Enterococcus spp. | 38 | 15 | 12 | 23 | 40 | ||
| Escherichia coli | 37 | 23 | 18 | 14 | 25 | ||
| Pseudomonas aeruginosa | 34 | 18 | 14 | 16 | 28 | ||
| Staphylococcus aureus | 20 | 11 | 9 | 9 | 16 | ||
| Klebsiella pneumoniae | 14 | 6 | 5 | 8 | 14 | ||
| Citrobacter spp. | 9 | 3 | 2 | 6 | 11 | ||
| Morganella morganii | 7 | 2 | 2 | 5 | 9 | ||
| Providencia stuartii | 7 | 3 | 2 | 4 | 7 | ||
| Yeast | 6 | 3 | 2 | 3 | 5 | ||
| Acinetobacter baumannii | 4 | 2 | 2 | 2 | 3 | ||
| Enterobacter spp. | 5 | 5 | 4 | 0 | 0 | ||
| Serratia marcescens | 1 | 1 | 1 | 0 | 0 | ||
| Corynebacterium spp. | 1 | 1 | 1 | 0 | 0 | ||
| Other | 8 | 4 | 3 | 4 | 7 | ||
| Total | 182 | 125 | 100 | 57 | 100 | ||
a
Number of urine cultures containing each microorganism.
b
Number of single-species urine cultures containing each microorganism.
c
Percent of all single-species cultures represented by each microorganism.
d
Number of dual-species urine cultures containing each microorganism.
e
Percent of all dual-species cultures represented by each microorganism.
Reproduced, with permission, from reference 9.