(d)  FindðAjBÞ (e)  Find PðB j AÞ (f)  Find the sensitivity of using self-reported breast cancer as a predictor of actual breast cancer in the California registry.

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For a variety of reasons, self-reported disease outcomes are frequently used without verification in epidemiologic research. In a study by Parikh-Patel et al. (A-12), researchers looked at the relationship between self-reported cancer cases and actual cases. They used the self-reported cancer data from a California Teachers Study and validated the cancer cases by using the California Cancer Registry data. The following table reports their findings for breast cancer:

Cancer Reported (A) Yes

No

Total

Cancer in Registry (B) 2991

112 3103

Cancer Not in Registry

2244 115849

118093

Total

5235 115961

121196

10.

11.

Source: Arti Parikh-Patel, Mark Allen, William E. Wright, and the California Teachers Study Steering Committee, “Validation of Self-reported Cancers in the California Teachers Study,” American Journal of Epidemiology, 157 (2003), 539–545.

 

  1. (d)  FindðAjBÞ

  2. (e)  Find PðB j AÞ

  3. (f)  Find the sensitivity of using self-reported breast cancer as a predictor of actual breast cancer in

the California registry.

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