Telemedicine evaluation.

Rashid Bashshur; Gary Shannon; Hasan Sapci

doi:10.1089/tmj.2005.11.296

Home/Archive/PubMed

PubMed · 16035928

Telemedicine evaluation.

Rashid Bashshur·Gary Shannon·Hasan Sapci

View original source ↗Export metadata ↓

Abstract

This paper examines the context and status of evaluation research in telemedicine, and it proposes a two-pronged strategy for addressing the critical policy and programmatic concerns in this field. It explains the evolution of evaluation research in the United States, and it describes a comprehensive typology and requirements for valid evaluation. Major impediments for definitive evaluation are discussed, together with a summary of major trends in empirical studies. Two concurrent strategies are proposed for producing definitive findings and for assessing the available empirical evidence. These consist of large-scale experimental studies and theoretical and empirical triangulation for assessing the available empirical evidence.

Explore related subjects

Causality Diffusion of Innovation Empirical Research Evidence-Based Medicine Health Policy Health Services Research Humans Models, Organizational Program Evaluation Research Design Technology Assessment, Biomedical Telemedicine United States Journal Article

Keep this discovery

Explore connections, maps & timelines

BibTeX RIS

Rashid Bashshur, Gary Shannon, Hasan Sapci. 2005. Telemedicine evaluation.. https://doi.org/10.1089/tmj.2005.11.296

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related citations

PubMed2026

The causal relationship between multiple cardiovascular diseases and glioblastoma: A Mendelian randomization study.

Observational studies suggest an association between glioblastoma (GBM) and cardiovascular diseases (CVDs), but a causal relationship remains unestablished. This study aimed to investigate the causal link between multiple CVDs and GBM risk. The inverse variance weighted method indicated that all 18 CVDs had significant causal associations with GBM (P < .05). Genetically predicted CVDs were uniformly associated with a lower risk of GBM (odds ratio < 1), identifying them as potential protective factors. Sensitivity analyses confirmed the absence of significant heterogeneity or horizontal pleiotropy, and the MR-Steiger test validated the correct causal direction. This Mendelian randomization (MR) study provides evidence that a range of CVDs are causally associated with a decreased risk of developing GBM. These findings suggest shared biological pathways and offer new insights for understanding GBM etiology. We conducted a 2-sample MR analysis using publicly available genome-wide association study data. GBM was the outcome, and 18 cardiovascular-related traits (including coronary artery disease, myocardial infarction, and venous thromboembolism) were exposures. Instrumental variables were single-nucleotide polymorphisms significantly associated with exposures (P < 5 × 10-8). The primary analysis used the inverse variance weighted method, supplemented with MR-Egger, weighted median, and weighted mode methods. Sensitivity analyses, including Cochran Q test, MR-Egger intercept test, leave-one-out analysis, and MR-Steiger directionality test, were performed to ensure robustness.

Causality↗

PubMed2007

Analysing and interpreting competing risk data.

When competing risks are present, two types of analysis can be performed: modelling the cause specific hazard and modelling the hazard of the subdistribution. This paper contrasts these two methods and presents the benefits of each. The interpretation is specific to the analysis performed. When modelling the cause specific hazard, one performs the analysis under the assumption that the competing risks do not exist. This could be beneficial when, for example, the main interest is whether the treatment works in general. In modelling the hazard of the subdistribution, one incorporates the competing risks in the analysis. This analysis compares the observed incidence of the event of interest between groups. The latter analysis is specific to the structure of the observed data and it can be generalized only to another population with similar competing risks.

Causality↗

PubMed2007

Evaluating candidate agents of selective pressure for cystic fibrosis.

Cystic fibrosis is the most common lethal single-gene mutation in people of European descent, with a carrier frequency upwards of 2%. Based upon molecular research, resistances in the heterozygote to cholera and typhoid fever have been proposed to explain the persistence of the mutation. Using a population genetic model parameterized with historical demographic and epidemiological data, we show that neither cholera nor typhoid fever provided enough historical selective pressure to produce the modern incidence of cystic fibrosis. However, we demonstrate that the European tuberculosis pandemic beginning in the seventeenth century would have provided sufficient historical, geographically appropriate selective pressure under conservative assumptions. Tuberculosis has been underappreciated as a possible selective agent in producing cystic fibrosis but has clinical, molecular and now historical, geographical and epidemiological support. Implications for the future trajectory of cystic fibrosis are discussed. Our result supports the importance of novel investigations into the role of arylsulphatase B deficiency in cystic fibrosis and tuberculosis.

Causality↗