Negative likelihood ratios (-LRs) for symptoms and signs that decreased the probability of urinary tract infection in women*
| Symptom or sign | Summary –LR (95% CI) |
|---|---|
| *Diagnostic terms defined in glossary. | |
| Absence of dysuria | 0.5 (0.3 to 0.7) |
| Absence of back pain | 0.8 (0.7 to 0.9) |
| History of vaginal discharge | 0.3 (0.1 to 0.9) |
| History of vaginal irritation | 0.2 (0.1 to 0.9) |
| Vaginal discharge on examination | 0.7 (0.5 to 0.9) |