Your Perfect Assignment is Just a Click Away

We Write Custom Academic Papers

100% Original, Plagiarism Free, Customized to your instructions!


Define positive predictive value (PPV) and negative predictive value (NPV).

Define positive predictive value (PPV) and negative predictive value (NPV).

Define positive predictive value (PPV) and negative predictive value (NPV).

pleas read it and after that send your offers


  1. 1.     Define sensitivity and specificity
  2. A cancer screening test is being applied in a population of 200 men who were also evaluated through the biopsy of tumor. 30 of the men were confirmed having cancer through biopsy. Out of these 30, 25 were also found to have cancer through the screening test. Screening test also found 15 cases to be having cancer but this was not confirmed by biopsy. Based on this information draw 2 x 2 table showing numbers in each of the 4 cells and compute sensitivity, specificity, Positive predictive value and Negative predictive values of the test for presence and absence of the disease.
  3. Define   positive predictive value (PPV) and negative predictive value (NPV).
  4. An epidemiologist in Saudi Arabia wants to study the efficacy of iron supplementation for the prevention of HIV infection. He wants to make sure that only subjects who are free of HIV infection are enrolled in his trial. Based on the outcome of the test, he decides who could participate in his iron supplementation trail. For this purpose, it is very important that diagnostic test has high…………… ……..

Order Solution Now

Our Service Charter

1. Professional & Expert Writers: Homework Place only hires the best. Our writers are specially selected and recruited, after which they undergo further training to perfect their skills for specialization purposes. Moreover, our writers are holders of masters and Ph.D. degrees. They have impressive academic records, besides being native English speakers.

2. Top Quality Papers: Our customers are always guaranteed papers that exceed their expectations. All our writers have +5 years of experience. This implies that all papers are written by individuals who are experts in their fields. In addition, the quality team reviews all the papers before sending them to the customers.

3. Plagiarism-Free Papers: All papers provided by Homework Place are written from scratch. Appropriate referencing and citation of key information are followed. Plagiarism checkers are used by the Quality assurance team and our editors just to double-check that there are no instances of plagiarism.

4. Timely Delivery: Time wasted is equivalent to a failed dedication and commitment. Homework Places is known for timely delivery of any pending customer orders. Customers are well informed of the progress of their papers to ensure they keep track of what the writer is providing before the final draft is sent for grading.

5. Affordable Prices: Our prices are fairly structured to fit all groups. Any customer willing to place their assignments with us can do so at very affordable prices. In addition, our customers enjoy regular discounts and bonuses.

6. 24/7 Customer Support: At Homework Place, we have put in place a team of experts who answer all customer inquiries promptly. The best part is the ever-availability of the team. Customers can make inquiries anytime.