Scientific publications on orthopedic surgery from three major East Asian countries (2012-2021)

Table 1 Top 10 countries according to the annual number of articles from 2012-2021

Year	1	2	3	4	5	6	7	8	9	10
2012	United States	United Kingdom	Japan	China	Germany	South Korea	Canada	France	Netherlands	Australia
2013	United States	United Kingdom	Japan	China	Germany	South Korea	Canada	Netherlands	France	Australia
2014	United States	United Kingdom	China	Japan	Germany	Canada	South Korea	France	Australia	Netherlands
2015	United States	China	United Kingdom	Germany	Japan	Canada	South Korea	Australia	France	Turkey
2016	United States	China	United Kingdom	Japan	Germany	France	Canada	Australia	South Korea	Netherlands
2017	United States	China	Japan	United Kingdom	Germany	Canada	South Korea	France	Australia	Netherlands
2018	United States	China	Japan	United Kingdom	Germany	Canada	South Korea	France	Australia	Netherlands
2019	United States	China	Japan	United Kingdom	Germany	Canada	South Korea	France	Australia	Netherlands
2020	United States	China	Japan	United Kingdom	Germany	Canada	South Korea	France	Australia	Switzerland
2021	United States	China	Japan	United Kingdom	Germany	Canada	France	South Korea	Australia	Switzerland

Table 2 Articles published in the top 10 high IF orthopedics journals by researchers from Japan, South Korea and China from 2012 to 2021

Rank	Journal	2021 JIF	Japan (%)	South Korea (% )	China (%)	Total
1	J PHYSIOTHER	10.714	1 (33.33)	0 (10.00)	2 (66.67)	3
2	OSTEOARTHR CARTILAGE	7.507	124 (30.31)	47 (11.49)	238 (58.20)	409
3	AM J SPORT MED	7.01	234 (33.86)	290 (41.97)	167 (24.17)	691
4	J BONE JOINT SURG AM	6.558	99 (32.57)	112 (36.84)	93 (30.59)	304
5	J ORTHOP SPORT PHYS	6.276	5 (38.46)	4 (30.77)	4 (30.77)	13
6	ARTHROSCOPY	5.973	166 (28.28)	286 (48.72)	135 (22.99)	587
7	BONE JOINT J	5.385	122 (38.00)	94 (29.28)	105 (32.71)	321
8	J ORTHOP TRANSL	4.889	13 (4.36)	10 (3.36)	275 (92.28)	298
9	EFORT OPEN REV	4.775	2 (25.00)	1 (12.50)	5 (62.50)	8
10	BRAZ J PHYS THER	7.507	4 (50.00)	3 (37.50)	1 (12.50)	8
Total			770 (29.14)	847 (32.06)	1025 (38.80)	2642

Table 3 The top 10 popular orthopedics journals publishing the articles written by researchers from Japan, South Korea and China

Rank	Japan	IF	n	South Korea	IF	n	China	IF	n
1	JOS	1.805	1427	COS	2.503	492	JOSR	2.677	1680
2	Spine	3.269	622	KSSTA	4.114	394	BMCMD	2.562	1296
3	KSSTA	4.114	506	AJSM	5.973	290	OS	2.279	920
4	BMCMD	2.562	444	ARTH	7.01	286	ESJ	2.721	759
5	ESJ	2.721	421	Spine	3.269	261	Spine	3.269	691
6	JA	4.435	288	JA	4.435	241	IO	3.479	587
7	JOR	3.102	276	BMCMD	2.562	241	Injury	2.687	378
8	JOSHK	2.423	276	JSES	3.507	221	TSJ	4.297	326
9	Knee	1.482	242	AOTS	2.928	221	JOT	4.239	275
10	AJSM	7.01	234	TSJ	4.297	199	AOTS	2.928	272

AJSM: Am J Sports Med; AOTS: Arch Orthop Traum Surg; ARTH: Arthroscopy; BMCMD: BMC Musculoskelet Disord; COS: Clin Orthop Surg; ESJ: Eur Spine J; IO: Int Orthop; JA: J Arthroplasty; JOR: J Orthop Res; JOSHK: J Orthop Surg (Hong Kong); JOS: J Orthop Sci; JOSR: J Orthop Surg Res; JSES: J Shoulder Elbow Surg; JOT: J Orthop Translat; KSSTA: Knee Surg Sport Tr A; OS: Orthopaedic Surgery; TSJ: The Spine J.