| ARR | Absolute Risk Reduction |
| CI | Confidence Interval |
| ICD | International Classification of Diseases |
| NPR | National Patient Register |
| NSAID | Non-Steroid Anti-Inflammatory Drug |
| NNT | Number Needed to Treat |
| OR | Odds Ratio |
| SCB | Statistics Sweden |
| UTI | Urinary Tract Infection |
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