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Predictive value of urinalysis components.
| Tests | Sensitivity % (range) | Specificity % (range) |
|---|---|---|
| Nitrites | 50 (16-72) | 98 (95-100) |
| Leukocyte esterase | 83 (64-89) | 84 (71-95) |
| >5 WBC/HPF | 67 (55-87) | 79 (77-84) |
| Any organism on Gram stain | 93 (80-98) | 95 (87-100) |
