The Danish Sarcoma Database
Authors Jorgensen PH, Lausten GS, Pedersen AB
Received 8 December 2015
Accepted for publication 28 January 2016
Published 25 October 2016 Volume 2016:8 Pages 685—690
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 2
Editor who approved publication: Professor Henrik Toft Sørensen
Peter Holmberg Jørgensen,1 Gunnar Schwarz Lausten,2 Alma B Pedersen3
1Tumor Section, Department of Orthopedic Surgery, Aarhus University Hospital, Aarhus, 2Tumor Section, Department of Orthopedic Surgery, Rigshospitalet, Copenhagen, 3Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Aim: The aim of the database is to gather information about sarcomas treated in Denmark in order to continuously monitor and improve the quality of sarcoma treatment in a local, a national, and an international perspective.
Study population: Patients in Denmark diagnosed with a sarcoma, both skeletal and ekstraskeletal, are to be registered since 2009.
Main variables: The database contains information about appearance of symptoms; date of receiving referral to a sarcoma center; date of first visit; whether surgery has been performed elsewhere before referral, diagnosis, and treatment; tumor characteristics such as location, size, malignancy grade, and growth pattern; details on treatment (kind of surgery, amount of radiation therapy, type and duration of chemotherapy); complications of treatment; local recurrence and metastases; and comorbidity. In addition, several quality indicators are registered in order to measure the quality of care provided by the hospitals and make comparisons between hospitals and with international standards.
Descriptive data: Demographic patient-specific data such as age, sex, region of living, comorbidity, World Health Organization's International Classification of Diseases – tenth edition codes and TNM Classification of Malignant Tumours, and date of death (after yearly coupling to the Danish Civil Registration System). Data quality and completeness are currently secured.
Conclusion: The Danish Sarcoma Database is population based and includes sarcomas occurring in Denmark since 2009. It is a valuable tool for monitoring sarcoma incidence and quality of treatment and its improvement, postoperative complications, and recurrence within 5 years follow-up. The database is also a valuable research tool to study the impact of technical and medical interventions on prognosis of sarcoma patients.
Keywords: sarcoma, skeletal and ekstraskeletal, population-based database, online database, quality indicators
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