Table 1 Basic results.
| Range | Mean (SD) | Median | |
|---|---|---|---|
| Number of blood tests | 2–9 | 4.4 (1.9) | 4.0 |
| Duration of abnormal serum | 3–36 | 12.5 (8.3) | 11.5 |
| aminotransferases (months) | |||
| Age at presentation (months) | 0–48 | 10.9 (12.8) | 6.5 |
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