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Classification of MG disease
| According to involved muscles | Generalized |
| Ocular | |
| According to onset age | Early (before 40–50 years old) |
| Late (after 40–50 years old) | |
| According to antibody | Anti-AChR-positive |
| Anti-MuSK-positive | |
| Seronegative | |
| According to thymoma presence | Thymoma |
| No thymoma |
