Table 1 Indices of data quality by diagnostic group
From: Trends in incidence of childhood cancer in Australia, 1983–2006
1987–1996 | 1997–2006 | ||||
---|---|---|---|---|---|
Diagnostic group | Cases 1983–2006 | %DCO a | %HV b | %DCO a | %HV b |
All cancers | 13 925 | 0.1 | 96.8 | 0.1 | 93.9 |
I. Leukaemias, myeloproliferative diseases, and myelodysplastic diseases (‘Leukaemias’) | 4591 | 0.1 | 99.7 | 0.1 | 98.7 |
II. Lymphomas and reticuloendothelial neoplasms (‘Lymphomas’) | 1374 | 0.2 | 99.3 | 0.0 | 99.4 |
III. CNS and miscellaneous intracranial and intraspinal neoplasms (‘CNS’)c | 3158 | 0.3 | 89.5 | 0.0 | 81.4 |
IV. Neuroblastoma and other peripheral nervous cell tumours (‘Neuroblastoma’) | 869 | 0.0 | 96.1 | 0.0 | 97.0 |
V. Retinoblastomas | 357 | 0.0 | 91.5 | 0.0 | 82.4 |
VI. Renal tumours | 735 | 0.0 | 100.0 | 0.0 | 97.9 |
VII. Hepatic tumours | 174 | 1.6 | 98.4 | 1.0 | 94.9 |
VIII. Malignant bone tumours | 602 | 0.0 | 99.6 | 0.0 | 97.3 |
IX. Soft tissue and other extraosseous sarcomas (‘Soft tissue’) | 820 | 0.0 | 98.9 | 0.0 | 97.6 |
X. Germ cell tumours, trophoblastic tumours, and neoplasms of gonads (‘Germ cell’)c | 511 | 0.0 | 97.0 | 0.8 | 93.6 |
XI. Other malignant epithelial neoplasms and malignant melanomas | 705 | 0.0 | 99.7 | 0.3 | 98.8 |
XII. Other and unspecified malignant neoplasms | 29 | 0.0 | 100.0 | 0.0 | 85.7 |