Evidence map›Paper›PMID 25918178›Full record

ArticleCMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne2015

Kidney function and the use of nitrofurantoin to treat urinary tract infections in older women.

Namisha Singh, Sonja Gandhi, Eric McArthur, Louise Moist, Arsh K Jain, Aiden R Liu, Manish M Sood, Amit X Garg

Abstract read
In one paragraph

Article in CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed.

  1. Article
  2. Review
  3. Quality of Antibiotic Prescribing for Outpatient Cystitis in Adult Females.Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada · 2024
    Article
  4. Review
  5. Article
  6. Review
  7. Observational
  8. Article
  9. Low antimicrobial resistance in general practice patients in Rotterdam, the city with the largest proportion of immigrants in the Netherlands.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2020
    Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Antimicrobial Pharmacotherapy Management of Urinary Tract Infections in Pediatric Patients.The Journal of pharmacy technology : jPT : official publication of the Association of Pharmacy Technicians · 2018
    Review
  15. Urinary Tract Infection and Asymptomatic Bacteriuria in Older Adults.Infectious disease clinics of North America · 2017
    Review
  16. Article
  17. Article
  18. Prescribing for patients on dialysis.Australian prescriber · 2016
    Review
  19. Article
  20. Nitrofurantoin and older women.CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne · 2015
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Namisha SinghDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Sonja GandhiDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Eric McArthurDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Louise MoistDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Arsh K JainDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Aiden R LiuDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Manish M SoodDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont.
Amit X GargDivision of Nephrology, Department of Medicine (Singh, Gandhi, McArthur, Moist, Jain, Liu, Garg), and the Department of Epidemiology and Biostatistics (Gandhi, Moist, Liu, Garg), Western University, London, Ont.; Institute for Clinical Evaluative Sciences (McArthur, Moist, Jain, Garg), Toronto, Ont.; The Ottawa Hospital Research Institute (Sood), University of Ottawa, Ottawa, Ont. amit.garg@lhsc.on.ca.

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

backgroundThe antibiotic nitrofurantoin is commonly used to treat uncomplicated urinary tract infections. However, when this drug is used by patients with reduced kidney function, its urine concentration may be subtherapeutic.

methodsWe conducted a population-based study of older women (mean age 79 years) in Ontario, Canada, whose estimated glomerular filtration rate was relatively low (median 38 mL/min per 1.73 m(2)) and for whom 1 of 4 antibiotics had been prescribed for urinary tract infection: nitrofurantoin, ciprofloxacin, norfloxacin or trimethoprim-sulfamethoxazole. We assessed 2 measures of treatment failure in the subsequent 14 days: receipt of a second antibiotic indicated for urinary tract infection and hospital encounter (emergency department visit or hospital admission) with a urinary tract infection. We repeated the analysis for older women with relatively high estimated glomerular filtration rate (median 69 mL/min per 1.73 m(2)).

resultsThe baseline characteristics of the 4 antibiotic groups were similar. Relative to nitrofurantoin, the other antibiotics (including ciprofloxacin) were associated with a lower rate of treatment failure among women with relatively low estimated glomerular filtration rate (for ciprofloxacin v. nitrofurantoin: second antibiotic prescription, 130/1989 [6.5%] v. 516/3739 [13.8%], odds ratio [OR] 0.44, 95% confidence interval [CI] 0.36-0.53; hospital encounter, 21/1989 [1.1%] v. 95/3739 [2.5%], OR 0.41, 95% CI 0.25-0.66). However, a similar risk of treatment failure with nitrofurantoin was also observed among women with relatively high estimated glomerular filtration rate. The results were consistent in multiple additional analyses.

interpretationIn this study, the presence of mild or moderate reductions in estimated glomerular filtration rate did not justify avoidance of nitrofurantoin.

Indexed as

AgedAged, 80 and overAge FactorsAnti-Bacterial AgentsAnti-Infective Agents, UrinaryCiprofloxacinFemaleGlomerular Filtration RateHumansNitrofurantoinNorfloxacinRenal InsufficiencyRetrospective StudiesSex FactorsTreatment FailureTrimethoprim, Sulfamethoxazole Drug CombinationAnti-Bacterial AgentsAnti-Infective Agents, UrinaryCiprofloxacinNitrofurantoinNorfloxacinTrimethoprim, Sulfamethoxazole Drug Combination

Identifiers

PMID25918178
PMCPMC4467927

What OpenQuestion holds

Textmetadata
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.