Table 2.

Comparison of the DISCERN score, JAMA score, GQS score, and VPI according to the video upload source

	Physicians	Universities/private hospitals	Health channels	Independent users	P
DISCERN score	40.3±14.7	37±14.3	44.8±17.1	37±29.6	0.18
JAMA score	2.1±0.46	1.91±0.9	2.04±0.8		0.52
GQS score	2.7±1.2	2.3±1.1	2.7±1.5	2±1.4	0.68
VPI	126±141	84.1±124.7	103.3±136.4	192.9±257.6	0.76

VPI: Video power index; JAMA: Journal of the American Medical Association; GQS: Global Quality Scale.