Table 3.
The top 15 productive categories, 2004–2019.
| Rank | WoS categories | TP | TP R (%) | BC |
|---|---|---|---|---|
| 1 | PSYCHIATRY | 19,804 | 20.78 | 0.07 |
| 2 | NEUROSCIENCES & NEUROLOGY | 12,355 | 12.96 | 0.01 |
| 3 | CLINICAL NEUROLOGY | 7,297 | 7.66 | 0.03 |
| 4 | NEUROSCIENCES | 6,848 | 7.19 | 0.16 |
| 5 | PSYCHOLOGY | 4,284 | 4.49 | 0.09 |
| 6 | PHARMACOLOGY & PHARMACY | 3,124 | 3.28 | 0.11 |
| 7 | GENERAL &INTERNAL MEDICINE | 2,682 | 2.81 | 0 |
| 8 | MEDICINE, GENERAL, & INTERNAL | 2,532 | 2.66 | 0.06 |
| 9 | PSYCHOLOGY, CLINICAL | 2,340 | 2.46 | 0 |
| 10 | PUBLIC, ENVIRONMENTAL, & OCCUPATIONAL HEALTH | 2,087 | 2.19 | 0.13 |
| 11 | GERIATRICS & GERONTOLOGY | 2,046 | 2.15 | 0.01 |
| 12 | GERONTOLOGY | 1,558 | 1.63 | 0 |
| 13 | NURSING | 1,454 | 1.53 | 0.07 |
| 14 | HEALTH CARE SCIENCES & SERVICES | 1,380 | 1.45 | 0.08 |
| 15 | SCIENCE & TECHNOLOGY—OTHER TOPICS | 1,301 | 1.37 | 0.04 |
TP, total publications; TP R (%), the ratio of the amount of the category's publications to the total publications; BC, betweenness centrality.