HLTC02H3 Chapter Notes - Chapter 15&16: Progestin, Endometrium, Clinical Trial

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fuchsiabadger461

13 Apr 2012

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Chapter 15 : breast cancer: lived experience and feminist action. The lifetime risk of getting breast cancer in canada is one in nine. Being a woman is the biggest risk factor (only 1 or 2% of cases are in men). Increasing age is biggest risk factor for 85% of women. Presence of environmental (including work place) carcinogens. Life style factors such as high-fat diet, being overweight and excessive drinking. Higher incidence in professional women is explained delayed childbirth or no childbirth. Although genetics is assumed to be a major factor, only 5-10% of breast cancer cases are explained by genetics. Fewer women are dying from breast cancer in canada. mortality fell by 15% in the 25-year period to 1998. However, morality rates in saskatchewan is 22 deaths per 100,000 women and 29% in nova. Canada does not keep a registry of race and ethnicity of women with breast cancer.

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A hypothetical observational breast cancer study enrolled 10,000 women age 50 and older during 1990 and followed each woman for 10 years. All women received a free medical exam, including a mammogram, at baseline and each year thereafter. All deaths were full investigated and there was no loss to follow-up. At the baseline examination, 80 women were diagnosed with having early breast cancer. Twenty of these women died during the 10 year follow-up. By the end of follow-up, 240 other women had developed breast cancer, including 30 who died from their disease. Two hundred other women (who did not develop breast cancer) died from other causes.

a. What was the prevalence of diagnosed early breast cancer in the study population at baseline?

b. What was the 10-year case-fatality ârateâ in women with early breast cancer at baseline?

c. What was the cumulative incidence of breast cancer during the 10 year follow-up?

d. What was the incidence rate (incidence density) of breast cancer in the study population during the 10 year follow-up?

e. What was the breast cancer mortality rate in the study population during the 10 years?

f. What was the all-cause mortality rate in the study population during the 10 years?

g. What was the proportionate mortality for breast cancer?

h. What was the prevalence of (diagnosed) breast cancer in 2000?

emeraldcattle932

Imagine you are Japanese with a risk factor of "10" of getting breast cancer, and that you decide to move to Hawaii, your risk of breast cancer will be:

A) The same it was in Japan
B) You will have the risk factor of a Caucasian resident of Hawaii
C) A two-fold higher risk (i.e. risk factor of "20")
D) A two-fold lower risk (i.e. risk factor of "5")
E) Slightly lower than in Japan for the first decade, then returning near the levels you had in Japan

(Please help, I chose A, but this was incorrect.)

what are the risk factors for the disease breast cancer

HLTC02H3 Chapter Notes - Chapter 15&16: Progestin, Endometrium, Clinical Trial

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