Table 1.
Clinical Features of MG Patients
| Thymus histology | Involuted (n = 12) | Hyperplasia (n = 11) | Thymitis (n = 6) | Thymoma (n = 9) |
|---|---|---|---|---|
| Sex (F/M) | 9/3 | 9/2 | 3/3 | 5/4 |
| Age at disease onset | 30.3 ± 9.3 | 26.1 ± 9.5 | 30 ± 7.1 | 48.1 ± 20.2 |
| Disease onset (less than/more than 40 years) | 10/2 | 10/1 | 6/- | 4/5 |
| Age at surgery | 36.5 ± 11.9 | 27.9 ± 9.8 | 31.5 ± 7.8 | 49.7 ± 19.8 |
| Ab AChR-positive | 9 | 10 | 3 | 9 |
| Ab AChR (pmol/ml) mean ± SD | 21.5 ± 24 | 21.5 ± 33.8 | 8 ± 10.7 | 11.2 ± 6.7 |
| Maximal disease severity* (NADIR) | IIIa = 2 | IIIa = 10 | IIIa = 3 | IIIa = 1 |
| IIIb = 5 | IVb = 1 | IIIb = 3 | IIIb = 5 | |
| IVb = 5 | IVb = 3 | |||
| Immunosuppressive therapy | 12 | 5 | 4 | 7 |
*
Classification according to the recommendations for clinical research standards by the Task Force of the Medical Scientific Advisory Board of the MGFA.