From:  Osteochondritis dissecans: analyzing educational content quality and reliability on YouTube

 Mean JAMA, GQS, and OCDSS scores by uploader source.

Uploader sourceJAMAGQSOCDSSn
Physician2.51 ± 0.69, median 2.5 (IQR 2.0–3.0)2.96 ± 1.47, median 3.0 (IQR 2.0–3.0)5.67 ± 3.51, median 5.0 (IQR 3.0–7.0)28
Academic2.26 ± 0.46, median 2.5 (IQR 2.0–3.0)2.41 ± 1.14, median 2.5 (IQR 2.0–3.0)4.93 ± 3.48, median 6.0 (IQR 4.0–8.0)9
Medical source1.90 ± 0.32, median 2.0 (IQR 1.5–2.5)2.52 ± 1.62, median 2.5 (IQR 2.0–3.0)4.81 ± 3.48, median 5.0 (IQR 3.0–6.0)7
Commercial1.89 ± 0.17, median 2.0 (IQR 1.5–2.0)1.44 ± 0.40, median 2.0 (IQR 1.5–2.5)2.61 ± 1.39, median 4.0 (IQR 2.0–6.0)6

ANOVA results: JAMA (F = 3.40, p = 0.026), GQS (F = 2.18, p = 0.103), OCDSS (F = 1.50, p = 0.228). ANOVA: one-way analysis of variance; GQS: Global Quality Score; JAMA: Journal of the American Medical Association; OCDSS: osteochondritis dissecans specific score.