Positive predictive value (PPV) and sensitivity of each medium
| Oxoid UTI medium | Bio-Merieux CPS ID2 | BBL CHROMagar | LabM Harlequin CLED | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PPV | % | Sensitivity | % | PPV | % | Sensitivity | % | PPV | % | Sensitivity | % | PPV | % | Sensitivity | % | |
| Ox pos, oxidase positive. | ||||||||||||||||
| All organisms (Gram positive + Gram negative) | ||||||||||||||||
| Escherichia coli | 523/542 | 96.5 | 523/531 | 98.5 | 509/516 | 98.6 | 509/531 | 95.9 | 525/532 | 98.7 | 525/531 | 98.9 | 414/419 | 98.8 | 414/531 | 78.0 |
| Proteus | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 65/85 | 76.5 | 65/69 | 94.2 |
| Pseudomonas (Ox pos) | 23/23 | 100.0 | 23/24 | 95.8 | 10/12 | 83.3 | 23/24 | 95.8 | 21/21 | 100.0 | 21/24 | 87.5 | 21/85 | 24.7 | 21/24 | 87.5 |
| Excluding Gram positives + yeasts | ||||||||||||||||
| E coli | 523/535 | 97.8 | 523/531 | 98.5 | 509/512 | 99.4 | 509/531 | 95.9 | 525/526 | 99.8 | 525/531 | 98.9 | 414/418 | 99.0 | 414/531 | 78.00 |
| Proteus | 68/68 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 69/69 | 100.0 | 65/85 | 76.5 | 65/69 | 94.2 |
| Pseudomonas (Ox pos) | 23/23 | 100.0 | 23/24 | 95.8 | 10/12 | 83.3 | 23/24 | 95.8 | 21/21 | 100.0 | 21/24 | 87.5 | 21/85 | 24.7 | 21/24 | 87.5 |