ZuoTi.Pro
Question

1. A Swedish study considered the effect of low-dose aspirin on reducing the risk of stroke and heart attacks among people wh

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Total patient in the study - 1360 Total Pations in aspim group = 676 Death in aspring group - 10 - Total patient in Dacebo grNow we Death Placebo | 20 Aspain 18 construct a 2x2 table I No Death Total 1694-28=6561 684 676-18=658 676 Total 1 46 1314 13The 0.58% patients are more in placebo group as compared to asprin. Relative Risk - A A+B - Where __A+B cto A = 20 = 684 c C+- Odd Radio Where a 28 --- _C - 18 _cl_-_658 30 Lists 28*658 18*656 - 18424 11.2008 OR = 1561 To calculate the 95 % CI relative Risk, We have for the formula - CI for RR= R.R+Z/(m-1)/x n (12-22/20 n2 from the conting6S8/ 18 دیما 6S/ 28 ماه۱۰ +2 3 .(S 3 ما الاملح طول ما قال : 334 = (330لو3290لا ان نكو

0 0
Add a comment
Know the answer?
Add Answer to:
1. A Swedish study considered the effect of low-dose aspirin on reducing the risk of stroke...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A Swedish study considered the effect of low-dose aspirin on reducing the risk of stroke and...

    A Swedish study considered the effect of low-dose aspirin on reducing the risk of stroke and heart attacks among people who have already suffered a stroke (Lancet 338: 1345-1349 (1991). Of 1360 patients, 676 were randomly assigned to the aspirin treatment (one low-dose tablet a day) and 684 to a placebo treatment. During a follow-up period averaging about three years, the number of deaths due to myocardial infarction were 18 for the aspirin group and 28 for the placebo group....

  • Question Completion Status: QUESTION 8 Aspirin and heart attacks in Sweden. A Swedish study used 1360...

    Question Completion Status: QUESTION 8 Aspirin and heart attacks in Sweden. A Swedish study used 1360 patients who had suffered a stroke. Each patient was assigned to either aspirin treatment or placebo treatment. Patients were followed for 3 years and the number of deaths due to heart attacks was determined for each group. Sample 1: (placebo group): n=684; number of deaths due to heart attacks-29 Sample 2: (aspirin group) n=676; number of deaths due to heart attacks-18 a. Calculate and...

  • STAT 202 Assignment 3 A Swedish study used 1360 patients who had suffered from a stroke....

    STAT 202 Assignment 3 A Swedish study used 1360 patients who had suffered from a stroke. The study randomly assigned each subject to an aspirin treatment or a placebo treatment. The contingency table shows the results of the study, where X is the number of deaths due to heart attack during a follow-up period of about 3 years. Sample 1 received the placebo and sample 2 received aspirin. 1. Group Placebo Aspirin 38 18 684 676 Find a 95% confidence...

  • In a study to test the effects of low-dose aspirin in the prevention of heart disease,...

    In a study to test the effects of low-dose aspirin in the prevention of heart disease, 22,071 U.S. male physicians ages 40-84 in the year 1982 were randomly assigned to be in either the low- dose aspirin group or the placebo group. Each participant was required to take the assigned pill every other day for five years. The study was double blind. Of the 11,034 physicians the placebo, 189 suffered heart attacks during the study. Of the 11, 037 physicians...

  • A multicenter double-blind randomized study was carried out to compare the effect of drug X with...

    A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug started 7 days after infarction in 1,884 patients, 52% of all persons who were evaluated for entry into the study. 945 participants were randomized to treatment with drug X while 939 were assigned to the placebo group. Patients were then followed for 12 months for reinfarction. There were 152...

  • A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug star...

    A multicenter double-blind randomized study was carried out to compare the effect of drug X with that of a placebo in patients surviving acute myocardial infarction (AMI). Treatment with the drug started 7 days after infarction in 1,884 patients, 52% of all persons who were evaluated for entry into the study. 945 participants were randomized to treatment with drug X while 939 were assigned to the placebo group. Patients were then followed for 12 months for reinfarction. There were 152...

  • please provide a summary with intext citaion for this article: T HE HEART AND ESTROGEN/ progestin...

    please provide a summary with intext citaion for this article: T HE HEART AND ESTROGEN/ progestin Replacement Study (HERS) was a randomized, blinded, placebo-controlled trial of the effect of 0.625 mg of conjugated estrogens plus 2.5 mg of medroxyprogesterone acetate daily on coronary heart disease (CHD) event risk among 2763 postmenopausal women with documented CHD.1 Overall, during 4.1 years of follow-up, there were no significant differences between the hormone and placebo groups in the primary outcome of CHD events (nonfatal...

  • 1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid...

    1. Oral acetaminophen has been ordered for a young child who has a fever. A liquid form has been obtained by the nurse to increase the chance of problem free administration. Prior to administration, the nurse is going through the rights of medication administration. When confirming the right dose, what term is the most appropriate? a. "160 mg" b. "one teaspoon" c. "one third of a tablespoon d. "SmL 2. A pregnant woman asks why she needs to take a...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT