Listar Medicina, ciencias biomédicas y salud pública por autor "Irwin, Kathleen L."
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Estudios de detección selectiva del cáncer de cérvix y del cáncer de mama en Costa Rica
Irwin, Kathleen L.; Oberle, Mark W.; Rosero Bixby, Luis (1990)El cáncer de cuello uterino (cáncer de cervix) y el cáncer de mama son las principales causas de morbilidad y mortalidad femenina por cáncer en Costa Rica. Se evaluaron los intentos de detección de estos dos tipos de cáncer ... -
Oral Contraceptives and Cervical Cancer Risk in Costa Rica: Detection Bias or Causal Association
Irwin, Kathleen L.; Rosero Bixby, Luis; Oberle, Mark W.; Lee, Nancy C.; Whatley, Anne S.; Fortney, Judith A.; Bonhomme, Michele G. (1988-01)To examine the relationship between cervical cancer and oral contraceptive (OC) use, we analyzed data from a population-based, case-control study in Costa Rica. Women aged 25 to 58 years in whom cervical cancer was ... -
Screening practices for cervical and breast cáncer in Costa Rica
Irwin, Kathleen L.; Oberle, Mark W.; Rosero Bixby, Luis (1991)Cervical cancer and breast cancer are leading causes of cancer-related morbidity and mortality in Costa Rica. This article reports results of an evaluation of cervical and breast cancer screening practices among Costa ... -
The effect of using different reference dates for control exposure measurement on relative risk estimates in a case-control study
Rampey, Alvin H.; Irwin, Kathleen L.; Oberle, Mark W.; Kinchen, Steven; Lee, Nancy C.; Marsden, Anne; Rosero Bixby, Luis (1993-05)In case-control studies in which case and control enrollment periods are not identical, exposure status for time-dependent variables is often measured relative to a reference date. Using data from a case-control study of ...