Trial reportScientific reports2022
Long COVID in hospitalized and non-hospitalized patients in a large cohort in Northwest Spain, a prospective cohort study.
Trial report in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 90 papers, 8 of them syntheses that pooled 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.
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.
Who cites it
90 citing papers in PubMed, 8 syntheses or guidelines pooled it, 120 citations in OpenAlex.
- Psychological and Cognitive Sequelae of COVID-19: Systematic Review and Meta-Analysis.Journal of psychiatric and mental health nursing · 2026Pooled it
- Factors affecting the impact of COVID-19 vaccination on post COVID-19 conditions among adults: A systematic literature review.Human vaccines & immunotherapeutics · 2025Pooled it
- Symptom Trajectories and Clinical Subtypes in Post-COVID-19 Condition: Systematic Review and Clustering Analysis.JMIR public health and surveillance · 2025Pooled it
- Global prevalence of post-COVID-19 condition: a systematic review and meta-analysis of prospective evidence.Health promotion and chronic disease prevention in Canada : research, policy and practice · 2025Pooled it
- Risk of long covid in patients with pre-existing chronic respiratory diseases: a systematic review and meta-analysis.BMJ open respiratory research · 2025Pooled it
- Work ability and return-to-work of patients with post-COVID-19: a systematic review and meta-analysis.BMC public health · 2024Pooled it
- SARS-CoV-2 post-acute sequelae in previously hospitalised patients: systematic literature review and meta-analysis.European respiratory review : an official journal of the European Respiratory Society · 2023Pooled it
- Post-acute COVID-19 symptom risk in hospitalized and non-hospitalized COVID-19 survivors: A systematic review and meta-analysis.Frontiers in public health · 2023Pooled it
- Symptoms of Depression and Anxiety After COVID-19 Despite Systematic Telemedical Care: Results From the Prospective COVID-SMART Study.Depression and anxiety · 2025Trial
- Article
- Neurologic Manifestations of Long COVID Affect Adult Females More Severely Than Males.Annals of clinical and translational neurology · 2026Article
- Impaired peripheral oxygen delivery during submaximal exercise in adults with long COVID.Physiological reports · 2026Article
- Determinants of healthcare utilisation among post-COVID syndrome patients: a population-based study in Malaysia.Scientific reports · 2026Article
- Post-COVID-19 physical and mental quality of life: a latent profile analysis and predictive factors.Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2026Article
- Longitudinal trajectories of hematological indices and serum metalloproteinases-2 and 9 over 1 year after moderate and severe COVID-19.Frontiers in medicine · 2026Article
- Patient characteristics associated with clinically coded long COVID: an OpenSAFELY study using electronic health records.BJGP open · 2025Article
- Long-term cardiovascular events in individuals hospitalised with COVID-19: a retrospective cohort.BMC infectious diseases · 2025Article
- Pre-existing comorbidities and hospitalization for COVID-19 are associated with post-COVID conditions in the U.S. veteran population.Communications medicine · 2025Article
- Medical complexity and healthcare utilization among patients attending three U.S. post-COVID clinics.BMC infectious diseases · 2025Article
- Multiorgan Involvement and Particularly Liver Injury in Long COVID: A Narrative Review.Life (Basel, Switzerland) · 2025Review
30 more citing papers are in PubMed but not listed here.
Corrections and comments
- Erratum issued
Authors and funding
6 authors at 5 institutions in 1 country.
Funding
Abstract
Survivors to COVID-19 have described long-term symptoms after acute disease. These signs constitute a heterogeneous group named long COVID or persistent COVID. The aim of this study is to describe persisting symptoms 6 months after COVID-19 diagnosis in a prospective cohort in the Northwest Spain. This is a prospective cohort study performed in the COHVID-GS. This cohort includes patients in clinical follow-up in a health area of 569,534 inhabitants after SARS-CoV-2/COVID-19 diagnosis. Clinical and epidemiological characteristics were collected during the follow up. A total of 248 patients completed 6 months follow-up, 176 (69.4%) required hospitalization and 29 (10.2%) of them needed critical care. At 6 months, 119 (48.0%) patients described one or more persisting symptoms. The most prevalent were: extra-thoracic symptoms (39.1%), chest symptoms (27%), dyspnoea (20.6%), and fatigue (16.1%). These symptoms were more common in hospitalized patients (52.3% vs. 38.2%) and in women (59.0% vs. 40.5%). The multivariate analysis identified COPD, women gender and tobacco consumption as risk factors for long COVID. Persisting symptoms are common after COVID-19 especially in hospitalized patients compared to outpatients (52.3% vs. 38.2%). Based on these findings, special attention and clinical follow-up after acute SARS-CoV-2 infection should be provided for hospitalized patients with previous lung diseases, tobacco consumption, and women.
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Registered trials
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.