Missing stage and grade in Maryland prostate cancer surveillance data, 1992-1997.

@article{Klassen2006MissingSA,
  title={Missing stage and grade in Maryland prostate cancer surveillance data, 1992-1997.},
  author={Ann C Klassen and Frank C. Curriero and Martin Kulldorff and Anthony J. Alberg and Elizabeth A. Platz and Stacey T Neloms},
  journal={American journal of preventive medicine},
  year={2006},
  volume={30 2 Suppl},
  pages={S77-87}
}
BACKGROUND Missing data in cancer surveillance records are common; however, little information exists on the types of cases most likely to have missing data, or how missing data influence research or policy. Two clinical elements often missing in surveillance data are histologic grade and stage of disease. Missing data are either not clinically ascertained or not successfully abstracted. METHODS Prostate cancer cases (N=22,217) reported to the Maryland Cancer Registry during 1992-1997 were… CONTINUE READING

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