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

  1. a HV = Histological vertification.
  2. b DCO = Death certificate only.
  3. c Category includes tumours of benign or uncertain behaviour.