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Assume those who received folic acid had incidence of NTD equal to 2 cases per 10,000 population, and those received a placebo had a disease Y incidence of 5 cases per 10,000 population. What is the efficacy (shown as a percent) of folic acid in preventing fetal NTD based on this study? Show calculations for credit.

Assume those who received folic acid had incidence of NTD equal to 2 cases per 10,000 population, and those received a placebo had a disease Y incidence of 5 cases per 10,000 population. What is the efficacy (shown as a percent) of folic acid in preventing fetal NTD based on this study? Show calculations for credit.

Phlebotomy Essentials
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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A new preventive treatment of fetal neural tube defects (NTD) using of folic acid from the start of a pregnancy was tested in a randomized trial. Assume those who received folic acid had incidence of NTD equal to 2 cases per 10,000 population, and those received a placebo had a disease Y incidence of 5 cases per 10,000 population. What is the efficacy (shown as a percent) of folic acid in preventing fetal NTD based on this study? Show calculations for credit.

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