Association and rate ratio of gadolinium lesions count by allergy type
| Variable | Estimate | Lesion count rate ratio | 95% CI | P values |
| Any allergy vs NKA | ||||
| Unadjusted | 0.603 | 1.828 | 0.853 to 3.918 | 0.1210 |
| Adjusted* | 0.404 | 1.497 | 0.695 to 3.223 | 0.3026 |
| Environmental allergy vs NKA | ||||
| Unadjusted | 0.442 | 1.555 | 0.696 to 3.476 | 0.2817 |
| Adjusted* | 0.104 | 1.120 | 0.483 to 2.552 | 0.8064 |
| Food allergy vs NKA | ||||
| Unadjusted | 1.037 | 2.822 | 1.060 to 7.510 | 0.0378 |
| Adjusted* | 0.810 | 2.248 | 0.822 to 6.154 | 0.1147 |
| Drug allergy vs NKA | ||||
| Unadjusted | 0.493 | 1.637 | 0.668 to 4.012 | 0.2817 |
| Adjusted* | 0.353 | 1.424 | 0.556 to 3.642 | 0.4613 |
*The multivariate model adjusted for sex, age at symptom onset, disease category (progressive vs relapsing), and percentage of time on disease modifying therapy. Disease duration was used as the offset parameter.
NKA, no known allergy.