ArticleOpen forum infectious diseases2025
Prevalence, Progression, and Treatment of Asymptomatic Tuberculosis: A Prospective Cohort Study in Lanxi County, Zhejiang Province, China.
Article in Open forum infectious diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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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
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Quantifying the evidence and burden of smoking behaviour on tuberculosis incidence among adult population: a systematic review and meta-analysis.Journal of global health · 2026Pooled it
- Community-based "X-ray+Xpert® MTB/RIF ultra pooling test" case-finding strategy among high-risk groups in rural areas: a prospective application study.Emerging microbes & infections · 2026Article
- Asymptomatic tuberculosis detected in health screening predicts favourable outcome.ERJ open research · 2026Article
- Epidemiological Characteristics of Asymptomatic Tuberculosis - China, 2021-2024.China CDC weekly · 2026Article
- The hidden burden: a regional study revealing the substantial burden and distinct epidemiology of asymptomatic pulmonary tuberculosis in Southern China.BMC public health · 2026Article
Corrections and comments
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Authors and funding
16 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Individuals with asymptomatic tuberculosis (TB) are considered a significant risk to the disease burden and transmission. However, the progression and treatment for asymptomatic TB remain incompletely described. Methods: This prospective cohort study was embedded within a prevalence survey conducted in 2021 and 2022 in Lanxi County, China. All patients with pulmonary TB who consented to participate would be included in the study and were categorized as asymptomatic or symptomatic. For the primary analysis, asymptomatic TB was defined as the absence of current cough, fever, night sweats, weight loss, or hemoptysis. Patients were followed up until 10 November 2024. Results: Among 109 345 individuals screened, 193 were included, of whom 101 (52.3%) were symptomatic and 92 (47.7%) were asymptomatic. The proportion of asymptomatic TB varied from 32.5% to 62.7% depending on varying symptom negative threshold. Fewer asymptomatic patients were bacteriologically confirmed compared to symptomatic patients (71.7% [66/92] vs 90.1% [91/101], Conclusions: In the community setting, a significant number of TB cases were asymptomatic and remained so for months. These cases demonstrated satisfactory treatment coverage and outcomes, with shorter durations compared to symptomatic TB, suggesting the potential for developing shorter regimens for asymptomatic TB.
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