Validity of the stage of lung cancer in records of the Maastricht Cancer Registry, the Netherlands

Leo J. Schouten*, Johannes A. Langendijk, Jos J. Jager, P. A. van den Brandt

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Information collected in a clinical study on a random sample of 99 patients with inoperable lung cancer, treated with radiotherapy, was compared to the staging information in the Maastricht cancer registry. Validity of sex (0% disagreements), date of birth (0%), histology (1% major disagreements) and treatment (1%) was high, but the validity of stage was lower: 12% major and 23% minor disagreements. The misclassification of stage did not result in a shift in the survival estimates. If cancer registries intend to use stage in comparisons of survival, more validation studies are necessary. (C) 1997 Elsevier Science Ireland Ltd.
Original languageEnglish
Pages (from-to)115-122
Number of pages8
JournalLung Cancer
Volume17
Issue number1
DOIs
Publication statusPublished - May 1997

Keywords

  • Cancer registry
  • Lung cancer
  • Staging
  • Validity

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