Association between impairment of lung function and risk of anxiety and depression in patients with chronic obstructive pulmonary disease—a systematic review
Bibliographic record
Abstract
BACKGROUND: This systematic review aims to examine the association between impairment of lung function and risk of anxiety and depression, respectively, in patients with chronic obstructive pulmonary disease (COPD). METHODS: Literature search were performed 29/01-2024 using Embase and PubMed. Publications reporting association between forced expiratory volume in one second in percentage of expected value (FEV1(%)) and either anxiety or depression or both in patients with COPD were included. The studies were quality assessed using the Newcastle Ottawa Scale. The studies were analysed by assessing whether they showed significant results or not, and if they showed a negative or positive association between lung function and risk anxiety or depression and a pooled analysis was conducted. RESULTS: Thirty-seven studies were included in the review, 15 reported anxiety and 31 reported depression, with 9 reporting both outcomes. Most were observational studies. Study population sizes ranged from 40 to 2147 patients. Three studies found a significant negative association between anxiety and FEV1(%), while five studies found a positive non-significant association between anxiety and FEV1(%). Fifteen studies found a significant negative association between FEV1(%) and depression. Especially the studies with larger study population sizes showed significant results. The pooled analysis supported this, as the depression studies showed a significant association between depression and FEV1(%), while the anxiety studies showed part non-significant, part significant associations between anxiety and FEV1(%). CONCLUSION: This systematic review did not support an association between anxiety and impairment of pulmonary function as only 3/15 studies showed significant negative associations, and some studies showed positive associations. This review indicated an association between depression and impairment pulmonary function in patients with COPD, as most studies with a larger study population size showed a significant negative association. Sytematic review registration. PROSPERO 2024 CRD42024506065 Available from: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42024506065.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.010 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".