Observational studyThe Lancet. Public health2022
Acute COVID-19 severity and mental health morbidity trajectories in patient populations of six nations: an observational study.
Observational study in The Lancet. Public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 95 papers, 3 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.
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Who cites it
95 citing papers in PubMed, 3 syntheses or guidelines pooled it, 164 citations in OpenAlex.
- The global prevalence of depression, anxiety, and sleep disorder among patients coping with Post COVID-19 syndrome (long COVID): a systematic review and meta-analysis.BMC psychiatry · 2024Pooled it
- The Influence of the COVID-19 Pandemic on Social Anxiety: A Systematic Review.International journal of environmental research and public health · 2023Pooled it
- Long-Term Consequences of COVID-19 at 6 Months and Above: A Systematic Review and Meta-Analysis.International journal of environmental research and public health · 2022Pooled it
- TNF-dependent regulation of synaptic plasticity and neuronal activity: implications for psychiatric disorders.Molecular psychiatry · 2026Review
- Harmonising Depression and Anxiety Measures Across International Cohorts: A Framework Validated Using Measurement Invariance.International journal of methods in psychiatric research · 2026Article
- Characteristics Associated with Mental and Physical Health Among US Adults with Long COVID.Healthcare (Basel, Switzerland) · 2026Article
- Article
- Acute COVID-19 severity and impaired cognitive function up to 32 months after diagnosis: an observational study.BMC medicine · 2026Observational
- Prevalence and Factors Associated With Acute Stress Disorder Among Adults Ever Infected With COVID-19 During the Ending Phase of the Pandemic in 7 Chinese Cities: Cross-Sectional Study.JMIR public health and surveillance · 2026Article
- COVID-19 and risk of self-harm, suicidal ideation, and poisoning in children and adolescents.Annals of medicine · 2025Article
- Potential impact of social media and COVID-19 restrictions on adult attention-deficit rates.BJPsych bulletin · 2025Article
- Long-term psychological effects of COVID-19-related quarantine: an observational study of three cohorts in Norway and Iceland.BMC medicine · 2025Observational
- Predicting factors associated with anxiety by patients undergoing treatment for infectious diseases using a random-forest machine learning approach.Scientific reports · 2025Article
- ICT communication with family/friends and its associations with mental health and insomnia in COVID-19 patients during hospital quarantine: a cross-sectional study in Shenzhen, China.BMC psychiatry · 2025Article
- Long COVID in people with mental health disorders: a scoping review.BMC psychiatry · 2025Article
- Article
- Psychiatric and neuropsychiatric sequelae of COVID-19 within 2 years: a multinational cohort study.BMC medicine · 2025Article
- An Exploratory Analysis of Contributors to Cognitive Functioning Among Sexual and Gender Minority Individuals Who Had COVID-19.Journal of homosexuality · 2025Article
- The Impact of Social Support for Patients with COVID-19 in Post-Traumatic Growth: A Mediating Analysis Study.Journal of multidisciplinary healthcare · 2025Article
- Global, regional, and national burden of decubitus ulcers, 1990-2021: analysis of the current situation, multidimensional analysis, and trend forecasting for the global burden of disease study 2021.Frontiers in medicine · 2025Article
35 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
24 authors at 17 institutions in 7 countries.
Funding
Abstract
backgroundLong-term mental and physical health consequences of COVID-19 (long COVID) are a persistent public health concern. Little is still known about the long-term mental health of non-hospitalised patients with COVID-19 with varying illness severities. Our aim was to assess the prevalence of adverse mental health symptoms among individuals diagnosed with COVID-19 in the general population by acute infection severity up to 16 months after diagnosis.
methodsThis observational follow-up study included seven prospectively planned cohorts across six countries (Denmark, Estonia, Iceland, Norway, Sweden, and the UK). Participants were recruited from March 27, 2020, to Aug 13, 2021. Individuals aged 18 years or older were eligible to participate. In a cross-sectional analysis, we contrasted symptom prevalence of depression, anxiety, COVID-19-related distress, and poor sleep quality (screened with validated mental health instruments) among individuals with and without a diagnosis of COVID-19 at entry, 0-16 months from diagnosis. In a cohort analysis, we further used repeated measures to estimate the change in mental health symptoms before and after COVID-19 diagnosis.
findingsThe analytical cohort consisted of 247 249 individuals, 9979 (4·0%) of whom were diagnosed with COVID-19 during the study period. Mean follow-up was 5·65 months (SD 4·26). Participants diagnosed with COVID-19 presented overall with a higher prevalence of symptoms of depression (prevalence ratio [PR] 1·18 [95% CI 1·03-1·36]) and poorer sleep quality (1·13 [1·03-1·24]) but not symptoms of anxiety (0·97 [0·91-1·03]) or COVID-19-related distress (1·05 [0·93-1·20]) compared with individuals without a COVID-19 diagnosis. Although the prevalence of depression and COVID-19-related distress attenuated with time, individuals diagnosed with COVID-19 but never bedridden due to their illness were consistently at lower risk of depression (PR 0·83 [95% CI 0·75-0·91]) and anxiety (0·77 [0·63-0·94]) than those not diagnosed with COVID-19, whereas patients who were bedridden for more than 7 days were persistently at higher risk of symptoms of depression (PR 1·61 [95% CI 1·27-2·05]) and anxiety (1·43 [1·26-1·63]) than those not diagnosed throughout the study period.
interpretationSevere acute COVID-19 illness-indicated by extended time bedridden-is associated with long-term mental morbidity among recovering individuals in the general population. These findings call for increased vigilance of adverse mental health development among patients with a severe acute disease phase of COVID-19.
fundingNordforsk, Horizon2020, Wellcome Trust, and Estonian Research Council.
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