Table 3 Personal payments to the authors of Japanese Clinical Practice Guideline for Headache Disorders 2021 and board-certified neurologists from the pharmaceutical companies between 2016 and 2020
Variables | Authors of Clinical Practice Guideline for Headache Disorders 2021 (N = 57) | Board-certified neurologists (N = 6,107) |
|---|---|---|
Total amounts of payments, $ | 2,745,739 | 45,726,920 |
Number of authors/neurologists receiving payments, n (%) | 56 (98.3) | 3,615 (59.2) |
Payments per author/neurologist, $ | Â | Â |
 Median (interquartile range) | 15,312 (5,889–45,503) | 521 (0–3,556) |
 Mean (standard deviation) | 48,171 (83,524) | 7,488 (27,644) |
 Maximum | 346,714 | 616,257 |
Number of authors/neurologists receiving payments by year, n (%) | Â | Â |
 2016 | 51 (89.5) | 2,179 (35.7) |
 2017 | 51 (89.5) | 2,242 (36.7) |
 2018 | 46 (80.7) | 2,245 (36.8) |
 2019 | 48 (84.2) | 2,292 (37.5) |
 2020 | 47 (82.5) | 2,017 (33.0) |