Characteristics of 55 YouTube videos about carpal tunnel syndrome
| Variable | Value |
| Number of subscribers | 742 791.7±1 183 968 |
| Video running time (s) | 400.71±271.91 |
| Number of views | 1 559 722±7 629 661 |
| Number of days since upload | 2450.27±1250.96 |
| Number of comments | 316.75±332.4 |
| Number of likes | 5184.51±4804.72 |
| Number of dislikes | 242.8±421.93 |
| View ratio | 478.77±1506.85 |
| Like ratio | 92.81±7.39 |
| VPI | 382.9±910.34 |
| JAMA scores | 2.13±0.94 |
| GQS | 2.69±1.17 |
| CTS-ss | 5.0±3.29 |
Data are presented as mean±SD.
Formulas: view ratio, number of views/days since upload; like ratio, number of likes×100/[number of likes+number of dislikes]; VPI, like ratio×view ratio/100.
CTS-ss, Carpal Tunnel Syndrome-Specific Score; GQS, Global Quality Score; JAMA, Journal of the American Medical Association; VPI, Video Power Index.