Summary of personal payments from pharmaceutical companies to psychiatry clinical practice guideline authors from 2016 to 2020
| Variables | 2016 | 2017 | 2018 | 2019 | 2020 | 4-year total amounts from 2016 to 2019 | 5-year total amounts from 2016 to 2020 |
| Total amount of payments, US$ | 959 289 | 872 245 | 769 649 | 743 295 | 697 170 | 3 344 478 | 4 041 648 |
| Mean payments per author (SD), US$ | 21 318 (27 281) | 19 383 (24 380) | 17 103 (24 797) | 16 518 (21 363) | 15 493 (22 353) | 74 322 (93 767) | 89 814 (111 760) |
| Median payments per author (IQR), US$ | 11 992 (1877–24 498) | 10 678 (2309–25 058) | 5452 (1251–22 591) | 4506 (834–26 830) | 2701 (120–22 968) | 44 688 (9325–93 393) | 51 403 (9982‒111 567) |
| Maximum payment amounts, US$ | 120 927 | 100 635 | 114 153 | 107 553 | 94 362 | 411 745 | 506 108 |
| Authors receiving personal payments (n=45), n (%) | |||||||
| Any payments | 39 (86.7) | 41 (91.1) | 36 (80.0) | 37 (82.2) | 34 (75.6) | 42 (93.3) | 42 (93.3) |
| >US$10 000 | 24 (53.3) | 23 (51.1) | 20 (44.4) | 22 (48.9) | 19 (42.2) | 32 (71.1) | 33 (73.3) |
| >US$50 000 | 6 (13.3) | 5 (11.1) | 4 (8.9) | 2 (4.4) | 3 (6.7) | 21 (46.7) | 23 (51.1) |
| >US$100 000 | 1 (2.2) | 1 (2.2) | 1 (2.2) | 1 (2.2) | 0 (0) | 10 (22.2) | 15 (33.3) |
| >US$250 000 | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (4.4) | 3 (6.7) |
Japanese yen) were converted to US dollars (US$) using the 2020 average monthly exchange rate of 106.8 yen per US$1.