Exploring the optimal duration of video recording in a post-discharge e-learning platform for cardiac patients

The spread sheet in .csv format features data on video watching retention. Six colons contain: 1. Number of video 1-602. Name of the video3. Performer (doctor or peer-patient)4. video duration in seconds5. mean retention rate in % percentage of video watched6. Number of video viewsData are available only for videos watched 6 times or more.这份CSV格式的电子表格收录了视频观看留存相关数据，共包含6列信息：1. 视频编号（范围1至602）；2. 视频名称；3. 主讲者（医生或病友）；4. 视频时长（单位：秒）；5. 平均观看留存率（以百分比为单位，即用户实际观看视频的占比）；6. 视频播放量。仅收录播放量达到6次及以上的视频相关数据。