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Review
. 2016 Oct 25:8:461-464.
doi: 10.2147/CLEP.S99508. eCollection 2016.

Danish Childhood Cancer Registry

Henrik Schrøder  1 , Catherine Rechnitzer  2 , Peder Skov Wehner  3 , Steen Rosthøj  4 , Jens Kjølseth Møller  5 , Birgitte Lausen  2 , Gitte Petersen  2 , Mette Nørgaard  6
Affiliations
Review

Danish Childhood Cancer Registry

Henrik Schrøder et al. Clin Epidemiol. .

Abstract

Aim of database: The overall aim is to monitor the quality of childhood cancer care in Denmark; to register late effects of treatment; to analyze complications of permanent central venous catheters (CVCs); to study blood stream infections in children with cancer; and to study acute toxicity of high-dose methotrexate infusions in children with leukemia.

Study population: All children below 15 years of age at diagnosis living in Denmark diagnosed after January 1, 1985 according to the International Classification of Diseases 10, including diagnoses DC00-DD48.

Main variables: Cancer type, extent of disease, treatment, participation in international studies, recurrence of malignant disease, survival, yearly follow-up status, causes of death, and development of secondary malignancies. Type of CVC, causes for removal of the CVC, type of blood stream infection, pathogens isolated, antimicrobial sensitivity, and outcome of antimicrobial chemotherapy.

Descriptive data: Since 1985, 4,944 children below 15 years of age have been registered in the database. There has been no significant change in the incidence of childhood cancer in Denmark since 1985. The 5-year survival has increased significantly since 1985 and is now 86%. The median number of days from diagnosis to initiation of therapy is 7 days and in 80% of the children less than 14 days. Clinical data of 95% of the patients are reported to open international studies.

Conclusion: The survival of Danish children with cancer since 2003 compares favorably with other international population-based studies. The annual reports support the collaboration within pediatric oncology in Denmark.

Keywords: childhood cancer; complications; epidemiology; survival.

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Conflict of interest statement

The authors have no conflicts of interest to disclose in this work.

Figures

Figure 1
Figure 1
Yearly cancer incidence in children in Denmark 1985–2014.
See this image and copyright information in PMC

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