Table 1
Top 10 journals with the highest number of radiological clinical practice guidelines.
| Rank | Journal | Journal IF 2016 | No. of Articles |
|---|---|---|---|
| 1 | Journal of Vascular and Interventional Radiology | 2.78 | 34 |
| 2 | CardioVascular and Interventional Radiology | 2.19 | 12 |
| 3 | European Radiology | 3.97 | 9 |
| 4 | Journal of the American College of Radiology | 2.99 | 8 |
| 5 | Canadian Association of Radiologists | 1.27 | 6 |
| 6 | Pediatric Radiology | 1.47 | 5 |
| 7 | American Journal of Roentgenology | 2.78 | 3 |
| 7 | Korean Journal of Radiology | 2.16 | 3 |
| 7 | International Journal of Cardiovascular Imaging | 1.89 | 3 |
| 7 | Japanese Journal of Radiology | 0.98 | 3 |
| 7 | European Journal of Ultrasound | 0.91 | 3 |
[i] Note: IF = impact factor.
Table 2
Top 10 countries by the number of radiological clinical practice guidelines.
| Rank | Country | No. of articles (%) |
|---|---|---|
| 1 | United States | 64 (53.3) |
| 2 | United Kingdom* | 10 (8.3) |
| 3 | Canada | 7 (5.8) |
| 4 | Germany | 6 (5.0) |
| 5 | Italy | 5 (4.2) |
| 6 | Austria | 4 (3.3) |
| 6 | The Netherlands | 4 (3.3) |
| 8 | France | 3 (2.5) |
| 8 | Japan | 3 (2.5) |
| 8 | South Korea | 3 (2.5) |
[i] Note: The percentages do not add up to 100% because the shares of other countries are not included.
* Includes articles originating from England, Scotland, Wales, and Northern Ireland.
Table 3
Characteristics of 120 radiological clinical practice guidelines.
| No. of Articles (%) | |
|---|---|
| Subject category of the journal | |
| Radiology | 109 (90.8) |
| Other specialties | 11 (9.2) |
| Provider | |
| Scientific community | 96 (80) |
| Study group | 17 (14.1) |
| Personal | 7 (5.8) |
| Collaboration | |
| Multi-institutional | 75 (62.5) |
| International | 31 (25.8) |
| Interdepartmental | 2 (1.7) |
| None | 12 (10) |
| Radiological subspecialty | |
| Vascular/interventional | 36 (30) |
| Abdominal | 15 (12.5) |
| Cardiac | 13 (10.8) |
| Neuroradiology/head and neck | 9 (7.5) |
| Pediatric | 8 (6.7) |
| Musculoskeletal | 6 (5) |
| Chest | 5 (4.2) |
| Genitourinary | 5 (4.2) |
| Miscellaneous | 23 (19.2) |
| Imaging modality used | |
| Angiography | 22 (18.3) |
| Computed tomography | 15 (12.5) |
| Magnetic resonance imaging | 12 (10) |
| Ultrasonography | 8 (6.7) |
| Nuclear medicine | 2 (1.7) |
| Conventional radiography | 1 (0.8) |
| Combined | 38 (31.7) |
| Others | 22 (18.3) |
| Topic | |
| Interpretation and management | 52 (43.3) |
| Intervention | 46 (38.3) |
| Technique and protocol | 9 (7.5) |
| Contrast media | 7 (5.8) |
| Radiation protection | 5 (4.2) |
| Others | 1 (0.8) |
| Source of funding | |
| Government | 2 (1.6) |
| Private | 0 (0) |
| Industry | 0 (0) |
| None | 118 (98.4) |