Appendices
18
Appendix A: Loeb Minimum Criteria for Initiating Antibiotics for
Suspected UTIs
Urinary
Tract
Infection Minimum Criteria for Starting Antibiotic Therapy
without
catheter
Either one of the following criteria:
❑ Acute dysuria, OR
❑ Temperature >37.9⁰C (100⁰F) or 1.5⁰C (2.4⁰F) above baseline, AND
≥1 of the following new or worsening symptoms:
❑ Urgency
❑ Suprapubic pain
❑ Urinary incontinence
❑ Frequency
❑ Gross hematuria
❑ Costovertebral angle tenderness
with
catheter
At least one of the following criteria
❑ Rigors
❑ New onset delirium
❑ Temperature >37.9 ⁰C (100 ⁰F) or
1.5 ⁰C (2.4 ⁰F) above baseline
❑ New costovertebral angle tenderness
Loeb M, Bentley DW, Bradley S, et al. Development of minimum criteria for the initiation of
antibiotics in residents of long-term-care facilities: Results of a consensus conference. Infect Control
Hosp Epidemiol 2001;22:120e124.
