Presenting characteristics of children registered with acute lymphoblastic leukaemia, 1980–94
| Total | Treated | Untreated(%) | |
|---|---|---|---|
| Year of diagnosis | |||
| 1980–84 | 1596 | 1559 | 37 (2) |
| 1985–89 | 1628 | 1603 | 25 (2) |
| 1990–94 | 1845 | 1826 | 19 (1) |
| Age at diagnosis (years) | |||
| 0 | 191 | 167 | 24 (13) |
| 1–4 | 2628 | 2602 | 26 (1) |
| 5–9 | 1393 | 1382 | 11 (1) |
| 10–14 | 857 | 837 | 20 (2) |
| Sex | |||
| Male | 2847 | 2804 | 43 (2) |
| Female | 2222 | 2184 | 38 (2) |
| White blood cell count (× 109/l) | |||
| 0–49 | 3779 | 3759 | 20 (1) |
| 50+ | 1154 | 1110 | 44 (4) |
| NR | 136 | 119 | 17 (13) |
| Immunophenotype | |||
| Common (incl. pre-B) | 3542 | 3531 | 11 (0) |
| T cell | 577 | 566 | 11 (2) |
| B cell (mature) | 79 | 72 | 7 (9) |
| Null | 256 | 244 | 12 (5) |
| NR | 615 | 575 | 40 (7) |
| Down’s syndrome | |||
| Yes | 90 | 78 | 12 (13) |
| No | 4979 | 4910 | 69 (1) |
| Total | 5069 | 4988 | 81 (2) |
NR, not recorded.