PMID: 9194031May 1, 1997Paper

Validity of the stage of lung cancer in records of the Maastricht cancer registry, The Netherlands

Lung Cancer : Journal of the International Association for the Study of Lung Cancer
L J SchoutenP A van den Brandt

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.

References

Jan 1, 1992·European Journal of Cancer : Official Journal for European Organization for Research and Treatment of Cancer (EORTC) [and] European Association for Cancer Research (EACR)·L J SchoutenJ J Jager

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Feb 24, 2001·Journal of Hepatology·E B HaagsmaP L Jansen
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