Related Experiment Videos
Repeatability of health economic data in COPD
Rune Nielsen1, Ane Johannessen, Hege Marie Schnelle
1Institute of Medicine, University of Bergen, Haukeland University Hospital, N-5021 Bergen, Norway. rune.nielsen@med.uib.no
Respiratory Medicine
|August 5, 2008
Summary
Self-reported health economic data from chronic obstructive pulmonary disease (COPD) patients shows significant variability. This impacts the reliability of cost and utilization data in research and clinical settings.
Area of Science:
- Health Economics
- Pulmonology
- Patient-Reported Outcomes
Background:
- The precision of self-reported health economic data is not well understood.
- Accurate economic data is crucial for healthcare research and policy.
Purpose of the Study:
- To assess the repeatability of self-reported health economic cost and utilization data in individuals with chronic obstructive pulmonary disease (COPD).
Main Methods:
- 29 patients with COPD were interviewed twice, 12 weeks apart, by a physician and nurse in random order.
- Interviews captured healthcare utilization, costs, sick leave, exacerbations, and quality of life (QoL).
- Kappa statistics and 95% limits of agreement were used to evaluate data consistency.
Main Results:
- Repeatability varied across different data points, with sick leave showing perfect agreement (kappa=1.00) and leisure time showing lower agreement (kappa=0.54).
- Physicians reported fewer exacerbations and healthcare contacts than nurses (p=0.01 and p=0.05).
- Wide 95% limits of agreement were observed for drug costs (-690 to +710 NOK) and healthcare provider costs (-1200 to +899 NOK).
Conclusions:
- Self-reported economic data in COPD patients exhibits substantial variability.
- This variability necessitates careful consideration during the analysis of interview-based cost data and in the design of health economic studies.
Related Concept Videos
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Medical History
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
01:24Chronic Obstructive Pulmonary Disease
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
01:20Chronic Obstructive Pulmonary Disease-I: Introduction
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
01:25Statistical Methods for Analyzing Epidemiological Data
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
01:19Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...