The EUROCARE-4 database on cancer survival in Europe: Data standardisation, quality control and methods of statistical analysis

The EUROCARE Working Group

Research output: Contribution to journalArticle

110 Citations (Scopus)

Abstract

This paper describes the collection, standardisation and checking of cancer survival data included in the EUROCARE-4 database. Methods for estimating relative survival are also described. Incidence and vital status data on newly diagnosed European cancer cases were received from93 cancer registries in 23 countries, covering 151,400,000 people (35% of the participating country population).The third revision of the International Classification ofDiseases for Oncology was used to specify tumour topography and morphology. Records were extensively checked for consistency and compatibility usingmultiple routines; flagged recordswere sent back for correction. An algorithm assigned standardised sequence numbers to multiple cancers.Only firstmalignant cancerswere usedto estimate relative survival fromregistry, year, sex and age-specific life tables. Age-adjusted and Europe-wide survival were also estimated. The database contains 13,814,573 cases diagnosed in 1978-2002; 92%malignant. A negligible proportion of recordswas excluded for major errors. Of 5,753,934 malignant adult cases diagnosed in 1995-2002, 5.3% were second or later cancers, 2.7% were known from death certificates only and 0.4% were discovered at autopsy. The remaining 5,278,670 cases entered the survival analyses, 90% of these had microscopic confirmation and 1.3% were censored alive after less than five years' follow-up. These indicators suggest satisfactory data quality that has improved since EUROCARE-3.

Original languageEnglish (US)
Pages (from-to)909-930
Number of pages22
JournalEuropean Journal of Cancer
Volume45
Issue number6
DOIs
StatePublished - Apr 1 2009
Externally publishedYes

Fingerprint

Quality Control
Databases
Neoplasms
Death Certificates
Life Tables
Survival Analysis
Registries
Data Accuracy
Autopsy
Incidence
Population

Keywords

  • Europe
  • Neoplasms
  • Population registries
  • Survival analysis
  • Vital statistics

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

The EUROCARE-4 database on cancer survival in Europe : Data standardisation, quality control and methods of statistical analysis. / The EUROCARE Working Group.

In: European Journal of Cancer, Vol. 45, No. 6, 01.04.2009, p. 909-930.

Research output: Contribution to journalArticle

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abstract = "This paper describes the collection, standardisation and checking of cancer survival data included in the EUROCARE-4 database. Methods for estimating relative survival are also described. Incidence and vital status data on newly diagnosed European cancer cases were received from93 cancer registries in 23 countries, covering 151,400,000 people (35{\%} of the participating country population).The third revision of the International Classification ofDiseases for Oncology was used to specify tumour topography and morphology. Records were extensively checked for consistency and compatibility usingmultiple routines; flagged recordswere sent back for correction. An algorithm assigned standardised sequence numbers to multiple cancers.Only firstmalignant cancerswere usedto estimate relative survival fromregistry, year, sex and age-specific life tables. Age-adjusted and Europe-wide survival were also estimated. The database contains 13,814,573 cases diagnosed in 1978-2002; 92{\%}malignant. A negligible proportion of recordswas excluded for major errors. Of 5,753,934 malignant adult cases diagnosed in 1995-2002, 5.3{\%} were second or later cancers, 2.7{\%} were known from death certificates only and 0.4{\%} were discovered at autopsy. The remaining 5,278,670 cases entered the survival analyses, 90{\%} of these had microscopic confirmation and 1.3{\%} were censored alive after less than five years' follow-up. These indicators suggest satisfactory data quality that has improved since EUROCARE-3.",
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KW - Europe

KW - Neoplasms

KW - Population registries

KW - Survival analysis

KW - Vital statistics

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