YouTube as a source of patient information on gallstone disease

Table 3 Video demographics according to upload source

Video demographics	Upload source				Total	P value
	Physician or hospital	Medical website or TV channel	Commercial website	Civilian
Videos, n (%)	21 (16.0)	31 (23.7)	64 (48.9)	15 (11.5)	131	-
Total length (h:min:s)	0:59:29	1:24:08	4:57:10	1:59:28	9:20:15	-
Mean length (h:min:s)	00:02:50 ± 00:01:31	00:02:43 ± 00:02:43	00:04:39 ± 00:05:06	00:07:58 ± 00:05:09	00:04:17 ± 00:04:29	0.0091, 0.0102
Mean ‘likes’ (n)	10.9 ± 25.4	25.4 ± 101.9	17.6 ±40.3	12.7 ±15.1	17.8 ± 57.7	0.254
Mean ‘dislikes’ (n)	0.5 ± 1.8	2.1 ± 8.1	3.0 ± 7.2	2.3 ± 2.7	2.3 ± 6.5	0.083
Total views (n)	74549	1162278	581839	96623	1915289	-
Mean views (n)	3550.0 ± 7036.5	37492.8 ± 173179.9	9091.2 ± 18010.5	6441.5 ± 8558.2	14620.5 ± 85212.0	0.168
Usefulness information n (%)
Very useful	3 (14.3)	0	0	0	3 (2.3)	-
Useful	3 (14.3)	12 (38.7)	0	0	15 (11.5)	-
Slightly useful	12 (57.1)	18 (58.1)	0	6 (40.0)	36 (27.5)	-
Not useful	1 (4.8)	1 (3.2)	0	1 (6.7)	3 (2.3)	-
Misleading	2 (9.5)	0	64 (100)	8 (53.3)	74 (56.5)	-

¹Civilian vs website;

²Civilian vs physician.