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Study on the Quality, Relevance, and Comparability of YouTube Videos Expressing Stroke and Its Consequences From Various Sources
Abstract
Background and objective
Stroke-related deaths have been one of the major causes of death worldwide due to its rising risk factors. As a result, several people rely on YouTube as a great source of information on stroke without knowing the genuineness of the content. This study aims to assess the quality and reliability of the information on stroke uploaded on the YouTube platform using the Global Quality score (GQS) and DISCERN score (DS), respectively.
Methodology
A cross-sectional observational study was conducted in April 2023. Stroke-related keywords were used to search for videos on YouTube. Videos that met inclusion criteria were evaluated for baseline characteristics (likes, comments, views, duration of video, time since posted, and uploader type) and type of information in the video about stroke (symptoms, etiology, treatment, and other parameters). These videos were then evaluated for quality and reliability of information using GQS and DS, respectively.
Results
After applying inclusion and exclusion criteria and removing the duplicates, 73 YouTube videos were selected. The videos had a total number of 23,927,445 views, 385,324 likes, and 31,927 comments. Maximum videos were uploaded by hospitals (25, 34.2%). Several videos described the symptoms (54, 73.97%), treatment (50, 68.49%), and etiology (49, 67.12%) of stroke. The reach of videos measured by the Video Power Index (VPI) was highest for videos uploaded by healthcare organizations (mean VPI = 120.11). There was no statistically significant difference (P > 0.05) in the quality (GQS score) and reliability (DS) of videos uploaded by doctors, hospitals, healthcare organizations, and news channels.
Conclusions
YouTube can become an important source to disseminate information about health-related conditions like stroke if the videos uploaded are of high quality (GQS score) and reliable (DS).
Introduction
The World Health Organization has defined a stroke as a rapidly developing clinical sign of focal or global disturbance of cerebral function, lasting more than 24 hours or leading to death, with no apparent cause other than vascular origin [1]. As per the World Stroke Organization - Global Stroke Fact Sheet 2022, stroke is the second-leading cause of death and the third-leading cause of death and disability combined in the world [2]. Nonmodifiable risk factors like age, ethnicity, genetics, and family history contribute to stroke risk [3], but there are disparities in stroke risk, rates, and treatment worldwide.
YouTube, the second-most-popular video-sharing platform in the world, with over two billion subscribers, has become a popular platform to disseminate health information [4-6]. Social media platforms like YouTube have been evaluated for validity and dependability for several diseases like glioblastoma, abdominal aortic aneurysms, and chronic obstructive pulmonary disease [7-12]. Stroke, the fifth-leading cause of mortality in the United States, is still not being given enough consideration in this regard [13]. The lack of reliable information on stroke on platforms like YouTube highlights the need for video analysis and implementation of an audience engagement criterion for video creators to guarantee that viewers get accurate education, particularly since stroke is a medical emergency requiring immediate care to minimize the damage [14]. Therefore, this study aims to assess the reliability and quality of stroke information presented on YouTube.
This study aims to assess the reliability and quality of the information on stroke on YouTube using the DISCERN score (DS) and the Global Quality score (GQS), respectively.
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