Characteristics of patients included in the study
| Male/female ratio | 34/18 |
|---|---|
| Mean age (range) at cross sectional observation (years) | 14 (6–23) |
| Mean age (range) at BMT (years) | 9 (2–17) |
| Mean interval (range) between BMT and cross sectional observation (years) | 5 (3–11) |
| Number of patients transplanted up to December 1990 | 21 |
| Number of patients transplanted from 1991 to 1994 | 31 |