Table 2. Information about retrieved journals by discipline in 2016, 2017, and 2018.
| Disciplines | Total journals | Retrieved papers (minimum/maximum) | Top 50 impact factors | Top 50 correlation coefficients | |||
|---|---|---|---|---|---|---|---|
| Average | (Minimum/maximum) | Average | (Minimum/maximum) | ||||
| 2016 | |||||||
| General internal medicine | 3,997 | (1/4,026) | 8.359 | (1.847/72.406) | 0.487 | (0.386/0.707) | |
| Pediatrics | 4,825 | (1/1,375) | 4.527 | (2.254/18.392) | 0.647 | (0.528/0.920) | |
| Geriatrics/gerontology | 4,978 | (1/1,802) | 4.8 | (2.960/19.896) | 0.489 | (0.247/0.800) | |
| Neurosciences/neurology | 5,870 | (1/2,162) | 6.741 | (3.552/26.284) | 0.605 | (0.429/0.839) | |
| Psychiatry | 3,825 | (1/1,032) | 5.894 | (3.295/15.307) | 0.714 | (0.571/0.860) | |
| Dermatology | 3,713 | (1/1,204) | 4.668 | (2.351/13.081) | 0.542 | (0.279/0.767) | |
| Radiology/nuclear medicine/medical imaging | 5,102 | (1/2,220) | 6.178 | (2.617/19.896) | 0.499 | (0.345/0.919) | |
| Clinical laboratory | 5,793 | (1/1,893) | 7.679 | (3.786/19.896) | 0.217 | (0.116/0.561) | |
| Nursing | 1,332 | (1/390) | 1.797 | (1.261/3.755) | 0.659 | (0.540/0.891) | |
| Surgery | 5,258 | (1/1,711) | 5.843 | (2.953/19.896) | 0.750 | (0.629/0.996) | |
| Obstetrics/gynecology | 3,727 | (1/1,081) | 5.857 | (2.443/72.406) | 0.641 | (0.436/0.826) | |
| Ophthalmology | 2,852 | (1/4,811) | 6.25 | (2.466/72.406) | 0.699 | (0.538/1) | |
| Otorhinolaryngology | 1,963 | (1/414) | 3.798 | (1.568/13.081) | 0.439 | (0.025/0.755) | |
| Oncology | 5,029 | (1/5,520) | 8.717 | (4.041/33.900) | 0.699 | (0.610/0.889) | |
| Rehabilitation medicine | 1,612 | (1/522) | 3.245 | (1.769/19.651) | 0.459 | (0.269/0.929) | |
| Sport sciences | 1,144 | (1/1,357) | 3.415 | (1.872/19.651) | 0.376 | (0.275/0.541) | |
| Anesthesiology | 1,752 | (1/1,223) | 4.268 | (1.803/44.405) | 0.574 | (0.178/0.878) | |
| Emergency medicine | 1,732 | (1/485) | 6.289 | (2.036/72.406) | 0.341 | (0.047/0.789) | |
| 2017 | |||||||
| General internal medicine | 3,903 | (21/3,892) | 9.081 | (2.029/79.258) | 0.492 | (0.368/0.739) | |
| Pediatrics | 4,877 | (1/2,886) | 3.885 | (2.028/20.773) | 0.647 | (0.503/0.900) | |
| Geriatrics/gerontology | 5,027 | (1/1,730) | 4.771 | (2.917/16.834) | 0.498 | (0.250/0.802) | |
| Neurosciences/neurology | 6,123 | (1/2,192) | 6.848 | (3.653/27.138) | 0.611 | (0.441/0.846) | |
| Psychiatry | 3,919 | (1/1,774) | 5.848 | (3.476/16.642) | 0.704 | (0.584/0.829) | |
| Dermatology | 3,810 | (1/1,384) | 4.858 | (2.564/13.258) | 0.54 | (0.297/0.922) | |
| Radiology/nuclear medicine/medical imaging | 5,387 | (1/2,010) | 6.524 | (2.758/23.425) | 0.503 | (0.347/0.907) | |
| Clinical laboratory | 5,716 | (1/1,658) | 7.788 | (3.950/23.425) | 0.215 | (0.110/0.571) | |
| Nursing | 1,333 | (1/348) | 1.841 | (1.242/3.656) | 0.655 | (0.526/0.905) | |
| Surgery | 5,251 | (1/1,529) | 5.947 | (2.792/23.425) | 0.75 | (0.629/0.925) | |
| Obstetrics/gynecology | 3,730 | (1/1,777) | 6.016 | (2.434/79.258) | 0.628 | (0.444/0.841) | |
| Ophthalmology | 2,868 | (1/4,260) | 6.446 | (2.464/79.258) | 0.708 | (0.526/1) | |
| Otorhinolaryngology | 1,893 | (1/355) | 3.88 | (1.664/13.258) | 0.433 | (0.024/0.800) | |
| Oncology | 5,149 | (1/5,592) | 9.273 | (4.204/36.418) | 0.693 | (0.612/0.910) | |
| Rehabilitation medicine | 1,729 | (1/459) | 3.512 | (1.863/23.425) | 0.453 | (0.284/0.908) | |
| Sport sciences | 1,140 | (1/1,319) | 3.599 | (2.042/23.425) | 0.379 | (0.276/0.647) | |
| Anesthesiology | 1,732 | (1/964) | 4.496 | (1.924/47.661) | 0.585 | (0.205/0.867) | |
| Emergency medicine | 1,772 | (1/571) | 6.745 | (2.141/79.258) | 0.35 | (0.048/0.844) | |
| 2018 | |||||||
| General internal medicine | 3,620 | (1/4,022) | 9.461 | (1.994/70.67) | 0.494 | (0.385/0.703) | |
| Pediatrics | 4,525 | (1/1,944) | 4.695 | (2.256/19.233) | 0.66 | (0.535/0.908) | |
| Geriatrics/gerontology | 4,695 | (1/1,738) | 4.811 | (3.08/18.639) | 0.492 | (0.257/0.806) | |
| Neurosciences/neurology | 5,917 | (1/2,217) | 7.003 | (3.749/28.755) | 0.616 | (0.437/0.881) | |
| Psychiatry | 3,595 | (1/1,097) | 6.04 | (3.488/18.329) | 0.71 | (0.556/0.843) | |
| Dermatology | 3,575 | (1/1,356) | 4.92 | (2.190/14.110) | 0.544 | (0.320/0.918) | |
| Radiology/nuclear medicine/medical imaging | 5,027 | (1/2,080) | 6.7 | (2.895/23.239) | 0.513 | (0.358/0.909) | |
| Clinical laboratory | 5,497 | (1/1,268) | 8.075 | (3.812/23.239) | 0.215 | (0.109/0.609) | |
| Nursing | 1,196 | (1/386) | 1.974 | (1.327/3.570) | 0.677 | (0.550/0.960) | |
| Surgery | 5,103 | (1/1,879) | 6.147 | (2.903/23.239) | 0.754 | (0.640/0.926) | |
| Obstetrics/gynecology | 3,606 | (1/1,244) | 5.834 | (2.413/70.670) | 0.644 | (0.425/0.834) | |
| Ophthalmology | 2,539 | (1/4,421) | 6.508 | (2.509/70.670) | 0.712 | (0.545/1) | |
| Otorhinolaryngology | 1,822 | (1/283) | 3.926 | (1.819/14.110) | 0.433 | (0.026/0.814) | |
| Oncology | 4,872 | (1/5,691) | 9.292 | (4.117/35.386) | 0.7 | (0.624/0.890) | |
| Rehabilitation medicine | 1,590 | (1/547) | 3.575 | (1.907/23.239) | 0.475 | (0.302/0.944) | |
| Sport sciences | 1,070 | (1/1,165) | 3.779 | (2.054/23.239) | 0.38 | (0.279/0.591) | |
| Anesthesiology | 1,576 | (1/853) | 4.731 | (1.958/51.273) | 0.585 | (0.178/0.879) | |
| Emergency medicine | 1,559 | (1/589) | 6.992 | (2.247/70.670) | 0.377 | (0.051/0.802) | |