TABLE 3.
Distribution of isolates among positive urine specimens
| Microorganism | No. of isolates on:
|
|||||
|---|---|---|---|---|---|---|
| CHROMagar Orientationd
|
Blood agard
|
MacConkey agar
|
||||
| Total | Pure | Total | Pure | Total | Pure | |
| E. coli | 87 | 73 | 85 | 73 | 87 | 73 |
| Enterococcus sp. | 30 | 28 | 30a | 28a | ||
| Proteus sp. | 13 | 8 | 13 | 8 | 13 | 8 |
| M. morganii | 4 | 2 | 4 | 2 | 4 | 2 |
| K. pneumoniaeb | 16 | 15 | 16 | 15 | 14 | 13 |
| Enterobacter sp.b | 5 | 2 | 5 | 2 | 2 | 2 |
| P. aeruginosac | 20 | 20 | 20 | 20 | 20 | 20 |
| Citrobacter sp.b | 3 | 2 | 2 | 2 | 3 | 2 |
| Acinetobacter sp. | 4 | 4 | 4 | 4 | 4 | 4 |
| Staphylococcus sp. | 11 | 9 | 11 | 9 | ||
| Streptococcus group B sp. | 5 | 5 | 5 | 5 | ||
| Streptococcus group C sp. | 1 | 1 | 1 | 1 | ||
| Candida sp. | 7 | 7 | 7 | 7 | ||
| Total | 206 | 176 | 203 | 176 | 147 | 124 |
a
For 8 of the 30 isolates, additional tests were necessary to confirm the identification.
b
Additional tests were required for final identification.
c
For 1 of the 20 samples, only a few colonies were detected.
d
No significant difference (McNemar test; P = 1).