Table 2.
Charateristics of cytogenetic sub-groups
| Group | Del+ | Del− |
|---|---|---|
| Mean age, SD | 46.0, 11.5 | 33.1, 17.9 |
| Grade II | 16 | 9 |
| Grade III | 18 | 11 |
| % of grade II | 47.1 | 45.0 |
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