Testing for prostate and colorectal cancer: comparison of self-report and medical record audit
Section snippets
Sample selection
Participants were randomly selected from member lists of Kaiser Permanente-Northern California (NC), Kaiser Permanente-Georgia (GA), and HealthPartners (HP), Minnesota. Men aged 45 years and older and women aged 55 years and older as of September 1, 1999 who had been enrolled in the plan for at least 5 years were eligible for selection. The study was approved by human subjects review boards at all participating sites and by the CDC.
We selected the study sample with stratification by sex and
Results
The demographic characteristics of the study populations (black men, white or other men, and women) are described in Table 2. In both groups of men, the largest proportion was aged 50 to 59 years. Most men were non-Hispanic, married, and employed; reported excellent or good health; and had more than a high school education. About 18% of black men and 10% of white or other men were current smokers. Most of the women were older than 60 years, non-Hispanic, and retired; reported excellent or good
Discussion
These results indicate that, for some cancer screening tests, agreement between information from self-reports and medical records is low. Tests more likely to have fair to good agreement between self-reported and medical record information included PSA, sigmoidoscopy, and colonoscopy. The sensitivities of self-reported data in our study groups are generally lower than those previously reported for colonoscopy [20]. The sensitivities for DRE [21], [23], [24], FOBT [20], [21], [22], [23], and
Acknowledgements
We thank Andy Nelson of HealthPartners for his support in planning and conducting this study.
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