期刊
JOURNAL OF CLINICAL EPIDEMIOLOGY
卷 58, 期 12, 页码 1316-1319出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2005.04.002
关键词
breast cancer; elderly; accuracy; treatment; kappa
资金
- NCI NIH HHS [P30 CA91842] Funding Source: Medline
Background and Objectives: The purpose of this study was to compare breast cancer patients' self-report and surveillance, epidemiology, and end results (SEER) abstract data regarding type of treatment received (radiation, chemotherapy, and hormonal therapies). Methods and Design: Patients 65 years of age or older diagnosed during 1999-2001 with stage I-II breast cancer and treated with conserving surgery were identified from the Iowa SEER registry; 307 (41% of those eligible) completed telephone interviews. SEER-registry abstract data also were obtained. Results: Agreement between self-reports and SEER data varied by type of treatment, with almost perfect agreement for chemotherapy (kappa = 0.93) and moderate to substantial agreement for ever use of hormonal therapy (kappa = 0.61), receipt of radiation therapy (kappa = 0.60), and current use of hormonal therapy (kappa = 0.54). If the SEER data are assumed to be the gold standard, the sensitivity was generally high (> 87%) for all types of treatment. Specificity varied according to type of treatment: highest for chemotherapy (98.4%) and lowest for radiation therapy (49.0%). Predictive values positive and negative were above 75% across type of treatment. Conclusion: Using self-reported data was an acceptable alternative to reviewing medical records for documenting some types of breast cancer treatment. (c) 2005 Elsevier Inc. All rights reserved.
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