Relapse rate when treated for 2 months (%) | Reduction in relapse rate for each additional 1month6-150 of therapy above 2 months (%) | Relapse rate if treated for an additional 5 months (total 7 months) (%) |
80 | 11 | 25 |
60 | 8 | 20 |
40 | 5 | 15 |
20 | 3 | 5 |
10 | 1 | 5 |
↵6-150 Regression equation for duration of prednisone treatment: RR = 1.38 − 0.133 duration.