Table 2.
Types of published articles, study designs, and journal metrics of included articles
| Type | n (%) |
|---|---|
| Article types (n = 1326) | |
| Cross-sectionala | 841 (63.4) |
| Case report | 165 (12.4) |
| Cohorta | 114 (8.6) |
| Case controla | 91 (6.9) |
| Review | 62 (4.7) |
| Randomized controlled triala | 5 (0.4) |
| Case series | 17 (1.3) |
| Letter | 16 (1.2) |
| Commentary | 10 (0.8) |
| Editorial | 4 (0.3) |
| Images | 1 (0.08) |
| Study design (n = 1051) | |
| Prospective | 582 (55.4) |
| Retrospective | 299 (28.5) |
| Prospective and retrospective | 1 (0.1) |
| Unclear | 169 (16.1) |
| Journal metrics | |
| Impact factor (n = 495), median [IQR] | 1.56 [0.92–2.39] |
| SJR (n = 1056), median [IQR] | 0.32 [0.19–0.65] |
| Journal scope (n = 1326) | |
| Nephrology/urology | 422 (31.8) |
| Others | 904 (68.2) |
| Journal location (n = 1326) | |
| Journals based in Africa | 782 (59.0) |
| Journal based outside of Africa | 544 (41.0) |
IQR, interquartile range; SJR, scientific journal ranking.
a
Published original articles.