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Neutralizing antibody titers and cross-reactivity in MS patients treated with IFNβ.
| Neutralizing antibody | Patients with cross-reactivity | Patients without cross-reactivity | |
|---|---|---|---|
| Low (≤100 TRU/ml) | 63 (28.4%) | 42 (66.7%) | 21 (33.3%) |
| Intermediate (>100 and ≤300 TRU/ml) | 27 (12.2%) | 27 (100%) | — |
| High (>300 TRU/mL) | 132 (59.4%) | 131 (99.2%) | 1 (0.8%) |
