Table 2.

Basic characteristics of the analyzed videos

Video metrics
Days on YouTube	2413 (1292–3229)
Number of views	3418 (1206–9716)
Number of views per day	1.73 (0.71–4.71)
Number of likes	12 (4–43)
Number of dislikes	1 (1–4)
Number of comments	1 (1–3)
Duration (minutes)	4.21 (2–14.42)
Like ratio	100 (93.85–100)
View ratio	1.59 (0.43–5.14)
Popularity
VPI	1.92 (0.54–5.47)
Reliability and quality
DISCERN	3.0 (2.0–4.0)
GQS	3.0 (2.0–4.0)

Data presented as median (interquartile range) values

DISCERN modified DISCERN score, GQS Global Quality Scale score, VPI Video Power Index