ArticleRespiratory research2018
Significant predictors of medically diagnosed chronic obstructive pulmonary disease in patients with preserved ratio impaired spirometry: a 3-year cohort study.
Article in Respiratory research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers, 3 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
45 citing papers in PubMed, 3 syntheses or guidelines pooled it, 73 citations in OpenAlex.
- Incidence and Risk Factors for Progression from Pre-COPD to COPD: A Systematic Review and Meta‑analysis.International journal of chronic obstructive pulmonary disease · 2026Pooled it
- Definitions of early COPD and predictors for disease progression: a systematic review.European respiratory review : an official journal of the European Respiratory Society · 2026Pooled it
- Pooled it
- Trajectory of preserved ratio impaired spirometry (PRISm): patterns, predictors, and potential interventions.Clinical and experimental medicine · 2026Review
- Sociodemographic differences in clinical phenotypes among patients with COPD: a latent class analysis.BMJ open respiratory research · 2026Article
- The risk factors of future exacerbations and treatment responses among different inhalation therapies of patients with preserved ratio impaired spirometry.Journal of global health · 2026Article
- A Machine Learning-Derived Risk Score Based on Dietary Nutrient Intake for Early Detection and Prognostic Prediction of Preserved Ratio Impaired Spirometry.International journal of chronic obstructive pulmonary disease · 2026Article
- Clinical characteristics and outcomes associated with preserved ratio impaired spirometry (PRISm) in Saudi Arabia.Frontiers in medicine · 2026Article
- Oscillometry findings in altered spirometry patterns and relationship to respiratory symptoms.ERJ open research · 2025Article
- Nomogram to predict progression from preserved ratio impaired spirometry to chronic obstructive pulmonary disease.Scientific reports · 2025Article
- Associated Factors and Pulmonary Function Outcomes of Preserved Ratio Impaired Spirometry: A Scoping Review.International journal of chronic obstructive pulmonary disease · 2025Article
- Causal association between cigarette smoking and the prevalence of preserved ratio impaired spirometry (PRISm), and the progression risk factors of PRISm: A study based on Mendelian randomization and meta-analysis.Tobacco induced diseases · 2025Article
- Prevalence, Risk Factors of Preserved Ratio Impaired Spirometry in adult in plateau: A Cross-Sectional Study.PloS one · 2025Article
- Risk of All-Cause Mortality in US Adults With Preserved Ratio Impaired Spirometry: An Observational Study.International journal of chronic obstructive pulmonary disease · 2025Observational
- CT-based whole lung radiomics nomogram for identification of PRISm from non-COPD subjects.Respiratory research · 2024Article
- Prevalence and Characteristics of Patients with Obstructive Sleep Apnea and Chronic Obstructive Pulmonary Disease: Overlap Syndrome.Life (Basel, Switzerland) · 2024Article
- Sex and HIV Differences in Preserved Ratio Impaired Spirometry (PRISm) Among Ugandans Postpneumonia.Open forum infectious diseases · 2024Article
- Potential pre-COPD indicators in association with COPD development and COPD prediction models in Chinese: a prospective cohort study.The Lancet regional health. Western Pacific · 2024Article
- Roles of Inflammatory Biomarkers in Exhaled Breath Condensates in Respiratory Clinical Fields.Tuberculosis and respiratory diseases · 2024Article
- Impact of preserved ratio impaired spirometry on coronary artery calcium score progression: a longitudinal cohort study.ERJ open research · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPreserved ratio impaired spirometry (PRISm) is an incompletely understood respiratory condition. We investigated the incidence and significant predictive factors of chronic obstructive pulmonary disease (COPD) in PRISm patients.
methodsFrom 11,922 subjects registered in the Korea National Health and Nutrition Examination Survey, never or light smokers, young subjects, and those already medically diagnosed with COPD (defined by ICD-10 code and prescribed medication) were excluded. The 2666 remaining subjects were categorized into PRISm (normal forced expiratory volume in the first second [FEV
resultsCOPD incidence in PRISm patients (17/1000 person-year [PY]) was higher than that in normal subjects (4.3/1000 PY; P < 0.001), but lower than that in unrevealed COPD patients (45/1000 PY; P < 0.001). PRISm patients visited hospitals, took COPD medication, and incurred hospitalization costs more frequently than normal subjects, but less frequently than unrevealed COPD patients. In the overall sample, age, FVC, FEV
conclusionPRISm patients are likely to develop COPD, and should be monitored carefully, especially older patients and those with wheezing, regardless of lung function.
Indexed as
Identifiers
What OpenQuestion holds
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.