TABLE 9.
Accuracy of midstream clean-catch or midstream urine collection compared to catheterization for the diagnosis of UTI in womena
| Study (reference) | Quality rating | Subpopulation | Index test | Positive threshold for reference standard (CFU/ml) | Positive threshold for index test (CFU/ml) | % sensitivity (95% CI) | % specificity (95% CI) |
|---|---|---|---|---|---|---|---|
| Walter and Knopp (41) | Good | ND | MSCC | >104 | >104 | 98 (88–100) | 97 (89–99) |
| Lemieux and St.-Martin (45) | Fair | Combined | MSCC | >104 | >104 | 100 (87–100) | 100 (89–100) |
| Asymptomatic | MSCC | >104 | >104 | ND | 100 (88–100) | ||
| Symptomatic | MSCC | >104 | >104 | 100 (44–100) | 95 (88–98) | ||
| Immergut et al. (44) | Fair | ND | MS | >5 × 104 | >5 × 104 | 100 (44–100) | 95 (88–98) |
a
MSCC, midstream clean-catch collection; MS, midstream urine collection; ND, not determined. The reference standard for all tests was catheterization.