Table 3. Childhood lymphoid leukaemia diagnosed during 2003–2004 in residents of England and Wales.
| Age at diagnosis Deprivation category |
Number of registrations (% of total) by source of notification
|
Capture-recapture estimates
|
||||||
|---|---|---|---|---|---|---|---|---|
| Total | CR only |
CCLG only
|
Number of cases
|
Completeness
|
||||
| CR feedback assumption: | A | B | A | B | A | B | ||
| Age under 1 year | — | — | — | |||||
| 1=least deprived | 5 | 0 (0%) | 0 (0%) | 0 (0%) | 5.0 | 5.0 | 100% | 100% |
| 2 | 6 | 1 (17%) | 0 (0%) | 0 (0%) | 6.0 | 6.0 | 100% | 100% |
| 3 | 4 | 0 (0%) | 0 (0%) | 0 (0%) | 4.0 | 4.0 | 100% | 100% |
| 4 | 11 | 0 (0%) | 3 (27%) | 0 (0%) | 11.0 | 11.0 | 100% | 100% |
| 5=most deprived | 5 | 1 (20%) | 0 (0%) | 0 (0%) | 5.0 | 5.0 | 100% | 100% |
| Stratified | 31.0 | 31.0 | 100% | 100% | ||||
| Crude | 31 | 2 (6%) | 3 (10%) | 0 (0%) | 31.2 | 31.0 | 99% | 100% |
| Age 1–4 years | — | P(trend)=0.068 | P(trend)=0.674 | |||||
| 1=least deprived | 62 | 2 (3%) | 5 (8%) | 5 (8%) | 62.2 | 62.2 | 100% | 100% |
| 2 | 78 | 1 (1%) | 6 (8%) | 4 (5%) | 78.1 | 78.1 | 100% | 100% |
| 3 | 67 | 1 (1%) | 4 (6%) | 0 (0%) | 67.1 | 67.0 | 100% | 100% |
| 4 | 57 | 1 (2%) | 7 (12%) | 2 (4%) | 57.1 | 57.0 | 100% | 100% |
| 5=most deprived | 76 | 1 (1%) | 12 (16%) | 5 (7%) | 76.2 | 76.1 | 100% | 100% |
| Stratified | 340.7 | 340.3 | 100% | 100% | ||||
| Crude | 340 | 6 (2%) | 34 (10%) | 16 (5%) | 340.7 | 340.3 | 100% | 100% |
| Age 5–9 years | — | P(trend)=0.658 | - | |||||
| 1=least deprived | 49 | 0 (0%) | 2 (4%) | 0 (0%) | 49.0 | 49.0 | 100% | 100% |
| 2 | 39 | 0 (0%) | 4 (10%) | 2 (5%) | 39.0 | 39.0 | 100% | 100% |
| 3 | 38 | 0 (0%) | 2 (5%) | 1 (3%) | 38.0 | 38.0 | 100% | 100% |
| 4 | 31 | 0 (0%) | 1 (3%) | 1 (3%) | 31.0 | 31.0 | 100% | 100% |
| 5=most deprived | 29 | 0 (0%) | 3 (10%) | 2 (7%) | 29.0 | 29.0 | 100% | 100% |
| Stratified | 186.0 | 186.0 | 100% | 100% | ||||
| Crude | 186 | 0 (0%) | 12 (6%) | 6 (3%) | 186.0 | 186.0 | 100% | 100% |
| Age 10–14 years | — | P(trend)=0.305 | — | |||||
| 1=least deprived | 25 | 2 (8%) | 4 (16%) | 2 (8%) | 25.4 | 25.2 | 98% | 99% |
| 2 | 27 | 0 (0%) | 2 (7%) | 1 (4%) | 27.0 | 27.0 | 100% | 100% |
| 3 | 19 | 0 (0%) | 2 (11%) | 1 (5%) | 19.0 | 19.0 | 100% | 100% |
| 4 | 18 | 0 (0%) | 1 (6%) | 0 (0%) | 18.0 | 18.0 | 100% | 100% |
| 5=most deprived | 21 | 0 (0%) | 6 (29%) | 3 (14%) | 21.0 | 21.0 | 100% | 100% |
| Stratified | 110.4 | 110.2 | 100% | 100% | ||||
| Crude | 110 | 2 (2%) | 15 (14%) | 7 (6%) | 110.3 | 110.1 | 100% | 100% |
Abbreviations: A=all late CR notifications were feedback; B=none was; CCLG=Children's Cancer and Leukaemia Group; CR=general cancer registry; P(trend)=result of test for trend over deprivation categories, for age groups with at least 10 relevant notifications.