Table 1. Proportion of childhood (0–14 years) haematological patients having relapsed according to survival status, diagnosed between 1974–2003 in Yorkshire, UK.
|
Patients alive at 31 May 2006
|
Deceased patients
|
All registered patients
|
||||||
|---|---|---|---|---|---|---|---|---|
| ICCCa |
Ever relapsed
|
Ever relapsed
|
Ever relapsed
|
|||||
| group | Diagnostic group | Yes (%) | No (%) | Yes (%) | No (%) | Yes (%) | No (%) | Total |
| I | Leukaemia | 78 (15.2%) | 435 (84.8%) | 199 (58.0%) | 144 (42.0%) | 277 (32.4%) | 579 (67.6%) | 856 |
| Ia | Acute lymphoid leukaemia | 66 (15.0%) | 375 (85.0%) | 162 (69.8%) | 70 (30.2%) | 228 (33.9%) | 445 (66.1%) | 673 |
| Ib | Acute myeloid leukaemia | 12 (20.7%) | 46 (79.3%) | 31 (34.4%) | 59 (65.6%) | 43 (29.1%) | 105 (70.9%) | 148 |
| Ic–e | Other leukaemiab | 0 (0.0%) | 14 (100.0%) | 6 (28.6%) | 15 (71.4%) | 6 (17.1%) | 29 (82.9%) | 35 |
| II | Lymphoma | 27 (11.9%) | 200 (88.1%) | 38 (40.4%) | 56 (59.6%) | 65 (20.2%) | 256 (79.8%) | 321 |
| IIa | Hodgkin's lymphoma | 16 (13.3%) | 104 (86.7%) | 5 (33.3%) | 10 (66.7%) | 21 (15.6%) | 114 (84.4%) | 135 |
| IIb | Non-Hodgkin's lymphoma | 10 (13.5%) | 64 (86.5%) | 26 (43.3%) | 34 (56.7%) | 36 (26.9%) | 98 (73.1%) | 134 |
| IIc–e | Other lymphomab | 1 (3.0%) | 32 (97.0%) | 7 (36.8%) | 12 (63.2%) | 8 (15.4%) | 44 (84.6%) | 52 |
| Total | 105 (14.2%) | 635 (85.8%) | 237 (54.2%) | 200 (45.8%) | 342 (29.1%) | 835 (70.9%) | 1177 | |
a
ICCC: International Classification of Childhood Cancer (Kramárová et al, 1996).
b
Excluded from main analyses.