Table 2.
Detailed characteristics of videos based on uploaders and contenta.
| Characteristic | n | Length (seconds) | Duration (days) | Thumbs up | Comments | Favorites | Sharing (counts) | |
| Uploaders |
|
|
|
|
|
|
|
|
|
|
Doctors | 81 | 63 (4-491) | 256.28 (4-1958) | 421 (23-206,000) | 46 (1-13,000) | 92 (0-9522) | 66 (0-12,000) |
|
|
Individuals | 4 | 25.5 (874) | 375.37 (74-949) | 323 (140-1480) | 38 (24-57) | 48 (2-311) | 7 (0-221) |
|
|
News agency/organizations | 3 | 201 (55-277) | 650.5 (490.2-724.6) | 399 (255-1451) | 87 (13-145) | 77.5 (0-155) | 343 (0-401) |
|
|
P value |
|
.049 | .17 | .93 | .94 | .46 | .22 |
| Doctors |
|
|
|
|
|
|
|
|
|
|
Cardiac surgeons | 39 | 63 (5-491) | 214 (8-1197) | 766 (29-39,000) | 94 (3-2733) | 152 (0-2149) | 165 (0-3206) |
|
|
Cardiologists | 37 | 61 (4-210) | 258 (4-1958) | 270 (23-20,600) | 32 (1-13,000) | 50 (0-9522) | 48 (1-12,000) |
|
|
Other health care professionals | 5 | 79.4 (33.1) | 337.8 (308.7) | 349.6 (303.5) | 43.4 (38.8) | 67.4 (64.3) | 57 (1-419) |
|
|
P value |
|
.70 | .81 | .10 | .17 | .22 | .36 |
| Professional titles |
|
|
|
|
|
|
|
|
|
|
Chief physician | 58 | 63.5 (4-491) | 255.5 (4-966) | 545 (36-39,000) | 65.5 (3-2733) | 118.5 (0-6410) | 86 (1-7263) |
|
|
Associate chief physician | 14 | 56.86 (49.6) | 314.9 (245.5) | 103 (23-1416) | 15 (1237) | 18 (0-399) | 8.5 (0-892) |
|
|
Attending/registered physician | 9 | 113.67 (55.0) | 705.33 (671.4) | 300 (46-206,000) | 54 (5-13,000) | 20 (0-9522) | 282 (1-12,000) |
|
|
P value |
|
.03 | .41 | .04 | .01 | .008 | .008 |
| Content |
|
|
|
|
|
|
|
|
|
|
Disease knowledge | 50 | 66.5 (15-210) | 73.1 (13.98) | 699.5 (23-20,600) | 79.5 (1-13,000) | 164 (0-9522) | 204.5 (0-12,000) |
|
|
Outpatient cases | 19 | 66 (4-491) | 64.74 (13.00) | 226 (43-25,000) | 16 (3-2695) | 35 (1-2149) | 19 (0-2007) |
|
|
Surgical cases | 11 | 26.73 (19.43) | 46.36 (15.60) | 169 (29-9642) | 22 (3-769) | 20 (0-137) | 12 (1-275) |
|
|
Surgical techniques | 4 | 86.75 (38.95) | 63.75 (35.80) | 7740 (54-39,000) | 482 (15-2733) | 523 (24-1730) | 693 (34-1783) |
|
|
News/advertising | 4 | 126 (134.16) | 64.75 (23.08) | 303.5 (67-399) | 50 (12-202) | 5 (0-31) | 8.5 (0-343) |
|
|
P value |
|
.003 | <.001 | .03 | .04 | <.001 | <.001 |
aValues are expressed as mean (SD) for continuous variables and median (range) for ordinal and discrete variables.