Population based cohort to examine association between geospatial antibiotic factors and urinary tract infection outcomes.
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Issue Date
2023-02-01
Authors
Nero, Alexa *
Weber, Mckayla *
Reveles, Kelly R
Carreno, Joseph J
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Abstract
Introduction: Urinary tract infections (UTIs) pose a significant health care burden. Outpatient antibiotic geospatial factors (eg, geographic prescribing and geographic resistance) may be associated with inpatient outcomes. This study examined the relationship between these factors, severe UTI, and hospitalization for severe UTI.
Methods: The first cohort included hospitalized, female, Medicare beneficiaries, aged >50 years. The primary outcome was severe UTI (defined as CSS diagnosis code of 159 with an APR-DRG severity of illness code of 3 or 4). The association between geospatial first-line prescribing (FLP) and severe UTI was assessed. The second cohort examined the association between these geospatial FLP and risk of hospitalization with severe UTI. Multivariable regression was used to produce adjusted odds ratios and adjusted risk ratios.
Results: In the first cohort (n = 14,474), low FLP was not associated with severe UTI (P = .87) in univariable analysis. In multivariable analysis, low FLP was associated with severe UTI was (aOR: 1.08 [95% CI 1.00, 1.16]). In the second cohort (n = 2,972,174), the admission rate was 47.0 and 49.8 per 10,000 (low FLP vs high FLP, respectively [P < .001]). The aRR for admission was 1.26 (95% CI 1.14, 1.39) in areas with low FLP.
Conclusions: This study suggests that geospatial antibiotic factors may influence inpatient outcomes in women aged >50 with UTI. Further research is needed to corroborate our findings.
Citation
Nero A, Weber M, Reveles KR, Carreno JJ. Population based cohort to examine association between geospatial antibiotic factors and urinary tract infection outcomes. Am J Infect Control. 2023 Feb 1:S0196-6553(23)00052-4. doi: 10.1016/j.ajic.2023.01.011. Epub ahead of print. PMID: 36736381.
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