|
Year of publication
|
|
2010
|
2 (25.0)
|
6 (75.0)
|
0.75
|
|
2011
|
3 (37.5)
|
5 (62.5)
| |
|
2012
|
4 (40.0)
|
6 (60.0)
| |
|
2013
|
2 (20.0)
|
8 (80.0)
| |
|
2014
|
4 (33.3)
|
8 (66.7)
| |
|
2015
|
5 (27.8)
|
13 (72.8)
| |
|
2016
|
8 (40.0)
|
12 (60.0)
| |
|
2017
|
5 (17.9)
|
23 (82.1)
| |
|
2018
|
5 (16.7)
|
25 (83.3)
| |
|
2019
|
7 (22.6)
|
24 (77.4)
| |
|
2020
|
11 (24.4)
|
34 (75.6)
| |
|
Journal type
|
|
AJODO
|
12 (28.6)
|
30 (71.4)
|
0.14
|
|
ANGLE
|
12 (21.1)
|
45 (78.9)
| |
|
EJO
|
17 (23.9)
|
54 (76.1)
| |
|
OCR
|
4 (25.0)
|
12 (75.0)
| |
|
AOJ
|
3 (100.0)
|
0 (0.0)
| |
|
JOO
|
2 (28.6)
|
5 (71.4)
| |
|
JO
|
6 (25.0)
|
18 (75.0)
| |
|
Continent of corresponding author
|
|
Europe
|
22 (20.0)
|
88 (80.0)
|
0.006
|
|
Americas
|
5 (14.7)
|
29 (85.3)
| |
|
Asia or other
|
29 (38.2)
|
47 (61.8)
| |
|
Ethical approval
|
|
No approval or exempt from approval
|
5 (35.7)
|
9 (64.3)
|
0.36
|
|
Ethical approval obtained
|
51 (24.8)
|
155 (75.2)
| |
|
Involvement of statistician
|
|
Not reported
|
37 (24.5)
|
114 (75.5)
|
0.63
|
|
Reported
|
19 (27.5)
|
50 (72.5)
| |
|
Trial registration
|
|
No
|
37 (28.0)
|
95 (72.0)
|
0.28
|
|
Yes
|
19 (21.6)
|
69 (78.4)
| |
|
Significance of results
|
|
Not significant
|
28 (25.5)
|
82 (74.5)
|
1.00
|
|
Significant
|
28 (25.5)
|
82 (74.5)
| |
|
Conflict of interest
|
|
Conflicts exist and declared
|
33 (26.4)
|
92 (73.6)
|
0.85
|
|
No conflicts to declare
|
22 (24.7)
|
67 (75.3)
| |
|
Not clearly declared
|
1 (16.7)
|
5 (83.3)
| |
|
Funding
|
|
Industry funded and declared
|
19 (20.7)
|
73 (79.3)
|
0.23
|
|
No industry sponsorship/funding to declare
|
30 (31.3)
|
66 (68.8)
| |
|
Not clearly declared
|
7 (22.6)
|
24 (77.4)
| |
|
Number of authors
|
|
Median (IQR)
|
5 (3)
|
4.5 (3)
| |
|
Impact factor
|
|
Median (IQR)
|
1.96 (0.41)
|
1.96 (0.47)
| |
