Variables | N (%) | Papers from China excluded n (%) |
Country of first author | ||
China | 139 (45.7) | – |
USAmerica | 43 (14.1) | 43 (26.1) |
Iran | 28 (9.2) | 28 (17.0) |
Other countries | 94 (31.0) | 94 (56.9) |
Number of authors* | ||
1–2 | 37 (12.3) | 27 (16.4) |
3–4 | 69 (22.8) | 39 (23.6) |
>4 | 196 (64.9) | 99 (60.0) |
Institution† | ||
University | 233 (77.0) | 127 (77.4) |
Hospital | 39 (12.8) | 8 (4.9) |
Research centre | 28 (9.2) | 26 (15.9) |
Other | 3 (1.0) | 3 (1.8) |
Scope of the journal | ||
Biochemistry and molecular biology | 43 (14.1) | 11 (6.7) |
Oncology | 35 (11.5) | 11 (6.7) |
Medicine, research and experimental | 23 (7.6) | 1 (0.6) |
Multidisciplinary sciences | 22 (7.2) | 15 (9.1) |
Pathology | 19 (6.3) | 16 (9.7) |
Other | 162 (53.3) | 121 (67.2) |
Relative position of journal | ||
Q1 | 100 (32.9) | 75 (45.5) |
Q2 | 78 (25.7) | 44 (26.7) |
Q3 | 91 (29.9) | 28 (17.0) |
Q4 | 35 (11.5) | 18 (10.8) |
Country of journal | ||
USA | 97 (31.9) | 70 (42.4) |
UK | 91 (29.9) | 56 (33.9) |
The Netherlands | 40 (13.2) | 9 (5.5) |
Other | 76 (25) | 30 (18.2) |
*Missing information: two cases missing for all papers and two when papers from China are excluded.
†Missing information: one case missing for all papers.