Initial prednisone dose at clinical setting 1–15 years before the clinical trial compared with prednisone dose at enrolment in clinical trial
| Initial prednisone dose | Clinical trial dose | Total | |||
| 1 mg | 2 mg | 3 mg | 4 mg | ||
| 3 mg | 1 | 3 | 15 | 1 | 20 |
| 4 mg | – | – | 1 | – | 1 |
| 5 mg | – | – | 4 | 4 | 8 |
| 6 mg | – | – | 1 | – | 1 |
| 7.5 mg | – | – | 1 | – | 1 |
| Total | 1 | 3 | 22 | 5 | 31 |