Table I.
Video characteristics of YouTube videos on warts and quality scores by video producer
| Category | Total (N = 85) | Professional (n = 57, 67.1%) | Nonprofessional (n = 28, 32.9%) | P value |
|---|---|---|---|---|
| YouTube metric, mean (SD) | ||||
| Median video views | 1,885,294 (3,118,803.9) | 1,531,615.1 (1,557,175) | 2,605,283.3 (4,942,744.3) | .271 |
| Median days on YouTube | 1619.2 (1061.4) | 1352.8 (920.5) | 2161.3 (1137.1) | .001 |
| Median daily view count | 1761.6 (2737) | 1675.9 (2080.5) | 1936.2 (3779) | .736 |
| Median number of likes | 10,245.9 (11,517.1) | 11,115.7 (10,875.8) | 8475.3 (12,747.1) | .323 |
| Median number of dislikes | 823 (1288) | 635.3 (604.3) | 1205.2 (2044) | .159 |
| Median number of comments | 912.1 (1815.1) | 705.8 (1062.6) | 1332.2 (2763.3) | .256 |
| Median video power index (VPI) | 87.2 (15) | 92.1 (6.5) | 77 (21.2) | .001 |
| Median video length (sec) | 422.4 (327.5) | 477.8 (334.5) | 309.6 (286.3) | .025 |
| Types of warts, n (%) | .435 | |||
| Nongenital warts | 79 (92.9%) | 54 (94.7%) | 25 (89.3%) | |
| Genital warts | 5 (5.9%) | 2 (3.5%) | 3 (10.7%) | |
| Both | 1 (1.2%) | 1 (1.8%) | ||
| Video content∗, n (%) | ||||
| Pathogenesis | 40 (47.1%) | 27 (47.4%) | 13 (46.4%) | .935 |
| Symptoms and signs | 81 (95.3%) | 55 (96.5%) | 26 (92.9%) | .595 |
| Treatment | 80 (94.1%) | 55 (96.5%) | 25 (89.3%) | .326 |
| Prognosis | 39 (45.9%) | 28 (49.1%) | 11 (39.3%) | .392 |
| Number of contents, mean (SD) | 2.8 (0.8) | 2.89 | 2.68 | .255 |
| Purpose, n (%) | <.001 | |||
| Education | 73 (85.9%) | 57 (100%) | 16 (57.1%) | |
| Patient experience | 9 (10.6%) | 9 (32.1%) | ||
| Comic video | 3 (3.5%) | 3 (10.7%) | ||
| Treatments, n (%) | .003 | |||
| Evidence-based treatments† | 67 (78.8%) | 51 (89.5%) | 16 (57.1%) | |
| Alternative treatments‡ | 11 (12.9%) | 3 (5.3%) | 8 (28.6%) | |
| Both | 2 (2.4%) | 1 (1.8%) | 1 (3.6%) | |
| None | 5 (5.9%) | 2 (3.5%) | 3 (10.7%) | |
| Quality score, mean (SD) | ||||
| DISCERN | 36.9 (10.3) | 41 (8.3) | 28.5 (8.7) | <.001 |
| JAMA benchmark score | 1.7 (0.5) | 2.0 (0.3) | 1.2 (0.4) | <.001 |
| GQS score | 3.6 (1.0) | 3.9 (0.7) | 2.9 (1.1) | <.001 |
Bold font indicates statistical significance (P < .05).
All analyses were performed using IBM SPSS Statistics 26.0.
GQS, Global Quality Scale; JAMA, Journal of the American Medical Association.
∗
Each video can fall under multiple categories.
†
Evidence-based treatments included salicylic acid, cryotherapy, immunotherapy, laser, cantharidin, phenol, podophyllin, retinoids, surgery, trichloroacetic acid, duct tape, and silver nitrate.
‡
Complementary treatments included apple cider vinegar, banana peel, castor oil, baking soda, onion, lemon juice, aloe vera, honey, garlic, potatoes, and tea tree oil.