Characteristics of the Patients Studied
| . | No. of Patients . | Frequency (%) . |
|---|---|---|
| Sex | ||
| Female | 28 | 90 |
| Male | 3 | 10 |
| Age | ||
| ≤35 yr | 22 | 71 |
| >35 yr | 9 | 29 |
| Onset | ||
| ≤1 yr | 13 | 42 |
| >1 yr | 18 | 58 |
| Severity grade | ||
| I | 2 | 6 |
| IIA | 4 | 13 |
| IIB | 25 | 81 |
| Thymus histology | ||
| Normal or involuted | 12 | 39 |
| Hyperplasia + | 6 | 19 |
| Hyperplasia ++ | 13 | 42 |
| Steroid treatment | ||
| No | 27 | 88 |
| Yes | 4 | 12 |
| Anti-AChR Ab titers (nmol/L) | ||
| <1 | 10 | 32 |
| 1-10 | 11 | 36 |
| >10 | 10 | 32 |
| . | No. of Patients . | Frequency (%) . |
|---|---|---|
| Sex | ||
| Female | 28 | 90 |
| Male | 3 | 10 |
| Age | ||
| ≤35 yr | 22 | 71 |
| >35 yr | 9 | 29 |
| Onset | ||
| ≤1 yr | 13 | 42 |
| >1 yr | 18 | 58 |
| Severity grade | ||
| I | 2 | 6 |
| IIA | 4 | 13 |
| IIB | 25 | 81 |
| Thymus histology | ||
| Normal or involuted | 12 | 39 |
| Hyperplasia + | 6 | 19 |
| Hyperplasia ++ | 13 | 42 |
| Steroid treatment | ||
| No | 27 | 88 |
| Yes | 4 | 12 |
| Anti-AChR Ab titers (nmol/L) | ||
| <1 | 10 | 32 |
| 1-10 | 11 | 36 |
| >10 | 10 | 32 |