Which statement best describes meta-studies in telehealth research?

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Meta-studies in telehealth synthesize results across multiple studies to provide an overall view of how well an intervention works across different settings and populations. They involve identifying relevant studies, assessing their quality, extracting data, and, when possible, statistically combining results to yield a pooled estimate. This approach helps answer broad questions about effectiveness and consistency that no single study can fully address, and it can explore how outcomes might vary by patient groups, modalities, or contexts. It’s different from reporting the findings of just one study or focusing solely on theoretical concepts, and it goes beyond measuring outcomes from a single patient or trial. For example, a meta-analysis might pool data from several randomized trials of telemonitoring for heart failure to determine whether hospitalizations decrease on average across diverse patient groups.