Friday

November 28, 2014

November 28, 2014

Posted by **noni** on Thursday, October 9, 2008 at 10:57pm.

•Fifteen (15) lung cancer deaths occurred among 24,500 smokers

•Two (2) lung cancer deaths occurred among 10,500 non-smokers

Calculate the following and interpret your results in each case.

1.Calculate the proper measure of association of smoking and lung cancer.

The relative risk is used to measure the association of smoking and lung cancer.

Using the Rater Ratio to estimate the RR

= 15/100000 =7.5

2/100000

Relative Risk=1

The relative risk is greater than 1 which shows an association between exposure and disease and there is an exposure between smoking and lung cancer.

2.Calculate the population risk difference.

Risk Difference = AR = I of smoker – I of non- smoker

Smoke Lung Cancer Total

Yes No

Yes

Calculate the population attributable risk for smoking and lung cancer. ? need help calculating

- epi -
**DrBob222**, Thursday, October 9, 2008 at 11:00pmProbably a duplicate post. See below.

- epi -
**noni**, Thursday, October 9, 2008 at 11:04pmcan you help me! Please!!!!

- epi -
- epi -
**Anonymous**, Monday, August 23, 2010 at 1:34amA new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is implemented. (Assume the true prevalence of the disease among clinic attendees is 10%.)Calculate the following values:

The predictive value of a positive test and The number of false positives is

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