Table 1 The characteristics of YouTube videos
Total (N = 326) | By medical professionals (N = 169) | By non-professionals (N = 157) | P-value | ||
|---|---|---|---|---|---|
Year, N (%) | Before 2015 | 20 (6.1) | 11 (55.0) | 9 (45.0) | < 0.001 |
2016 | 9 (2.8) | 9 (100.0) | 0 (0.0) | ||
2017 | 6 (1.8) | 4 (66.7) | 2 (33.3) | ||
2018 | 13 (4.0) | 8 (61.5) | 5 (38.5) | ||
2019 | 41 (12.6) | 21 (51.2) | 20 (48.8) | ||
2020 | 96 (29.5) | 53 (55.2) | 43 (44.8) | ||
2021 | 97 (29.8) | 47 (48.5) | 50 (51.5) | ||
2022 | 44 (13.5) | 16 (36.4) | 28 (63.6) | ||
Length of video, Mean ± SD* (min) | 12.7 ± 0.9 | 15.8 ± 1.4 | 9.3 ± 1.1 | 0.002 | |
Average number of | Views | 28,046.0 ± 4,769.6 | 31,270.9 ± 6,198.8 | 24,574.6 ± 7,329.3 | < 0.001 |
Comments | 37.7 ± 6.8 | 27.6 ± 5.1 | 48.4 ± 12.9 | < 0.001 | |
Recommend | 379.5 ± 68.2 | 470.3 ± 103.2 | 281.8 ± 87.4 | < 0.001 | |
Uploaders | Patients | 71 (45.2) | |||
Advertisement | 31 (19.7) | ||||
Others | 55 (35.1) | ||||