Multiple binary logistic regression analysis
| Age at disease onset | Age at disease onset | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 20 years | 25 years | 30 years | 35 years | 40 years | 20 years | 25 years | 30 years | 35 years | 40 years | |
| REL Y1-2 | ||||||||||
| 1 attack | 3.3 | 4.3 | 5.5 | 7.0 | 8.9 | 6.1 | 7.8 | 10.0 | 12.6 | 16.1 |
| 2 attacks | 3.7 | 4.7 | 6.0 | 7.7 | 9.9 | 6.8 | 8.6 | 11.0 | 14.0 | 17.9 |
| 3 attacks | 4.1 | 5.2 | 6.7 | 8.6 | 10.9 | 7.5 | 9.6 | 12.1 | 15.5 | 19.8 |
| Disease duration=2 years | Disease duration=10 years | |||||||||
| 1 attack | 8.9 | 11.2 | 14.4 | 18.3 | 23.4 | 12.8 | 16.3 | 20.8 | 26.5 | 33.8 |
| 2 attacks | 9.8 | 12.4 | 15.9 | 20.3 | 25.9 | 14.1 | 18.0 | 23.0 | 29.3 | 37.4 |
| 3 attacks | 10.8 | 13.8 | 17.6 | 22.4 | 28.6 | 15.6 | 20.0 | 25.5 | 32.5 | 41.4 |
| Disease duration=15 years | Disease duration=20 years | |||||||||
Table shows OR expressing the probability of converting to SP MS according to concomitant effect of age at onset, number of early (during the first 2 years) relapses and disease duration.