ArticlePloS one2013
Multidrug and extensively drug-resistant tuberculosis in Canada 1997-2008: demographic and disease characteristics.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 5 of them syntheses that pooled it.
What it found
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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.
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.
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Who cites it
22 citing papers in PubMed, 5 syntheses or guidelines pooled it, 42 citations in OpenAlex.
- Global and regional trends in multidrug- or rifampicin-resistant tuberculosis, 2000-2024 with forecasts to 2030: a systematic review and meta-analysis.BMC infectious diseases · 2026Pooled it
- HIV infection and multidrug resistant tuberculosis: a systematic review and meta-analysis.BMC infectious diseases · 2021Pooled it
- Drug-Resistant Tuberculosis Among Children: A Systematic Review and Meta-Analysis.Frontiers in public health · 2021Pooled it
- Multidrug-resistant tuberculosis treatment adherence in migrants: a systematic review and meta-analysis.BMC medicine · 2018Pooled it
- Mortality in children diagnosed with tuberculosis: a systematic review and meta-analysis.The Lancet. Infectious diseases · 2017Pooled it
- Trends in Antituberculosis Drug Resistance and Associated Factors: A 31-Year Observational Study at a Tertiary Hospital in Barcelona.Antibiotics (Basel, Switzerland) · 2025Article
- Emerging threat of drug-resistant tuberculosis and trends in the era of COVID-19: A descriptive study from northwestern Nigeria.Journal of clinical tuberculosis and other mycobacterial diseases · 2022Article
- Dimensions of poverty as risk factors for antimicrobial resistant organisms in Canada: a structured narrative review.Antimicrobial resistance and infection control · 2022Review
- Article
- Rifampin-resistant/multidrug-resistant Tuberculosis in Alberta, Canada: Epidemiology and treatment outcomes in a low-incidence setting.PloS one · 2021Article
- Risk factors for drug-resistant tuberculosis at a referral centre in Toronto, Ontario, Canada: 2010-2016.Canada communicable disease report = Releve des maladies transmissibles au Canada · 2020Article
- Application of whole genome sequence analysis to the study of Mycobacterium tuberculosis in Nunavut, Canada.PloS one · 2017Article
- Genotypic characterization of drug resistant Mycobacterium tuberculosis in Quebec, 2002-2012.BMC microbiology · 2016Article
- Preliminary Favorable Outcome for Medically and Surgically Managed Extensively Drug-Resistant Tuberculosis, France, 2009-2014.Emerging infectious diseases · 2016Article
- From Exceptional to Liminal Subjects: Reconciling Tensions in the Politics of Tuberculosis and Migration.Journal of bioethical inquiry · 2016Article
- Map the gap: missing children with drug-resistant tuberculosis.Public health action · 2015Article
- Article
- Tuberculosis Treatment Non-Adherence and Lost to Follow Up among TB Patients with or without HIV in Developing Countries: A Systematic Review.Iranian journal of public health · 2015Review
- A 39-year-old female immigrant with chronic diarrhea.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2014Article
- Management of patients with multidrug-resistant/extensively drug-resistant tuberculosis in Europe: a TBNET consensus statement.The European respiratory journal · 2014Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
settingNationwide Canadian public health surveillance.
objectiveDescription of demographic features and disease characteristics of drug-resistant tuberculosis (TB) in Canada over a 12 year period.
designContinuous surveillance of all cases of culture-confirmed TB in Canada. Demographic and microbiologic features were analyzed and comparisons between drug-susceptible, multidrug-resistant (MDR), and drug-resistant not-MDR were made. Cases of extensively drug resistant TB are described.
results15,993 cases of culture-confirmed TB were reported during the study period. There were 5 cases of XDR-TB, 177 cases of MDR-TB, and 1,234 cases of first-line drug resistance not-MDR. The majority of drug-resistant cases were reported in foreign-born individuals, with drug-resistant cases diagnosed earlier post-arrival in Canada compared to drug-susceptible cases. In MDR-TB isolates, there was a high rate of drug-resistance to other first- and second-line drugs, making reliable empiric therapeutic recommendations for MDR-TB difficult. There was a statistically significant association between both MDR and drug-resistance not-MDR, and the risk of a negative treatment outcome (defined as treatment failure, absconded, or treatment ongoing >3 yrs).
conclusionDrug-resistance complicates TB management even in developed nations with well-established TB control programs. The predominantly international origin of drug-resistant cases highlights the need for global strategies to combat TB.
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