As the hospital epidemiologist you are asked to investigate theeffect of a drug suspected of causing malformations in newborninfants when the drug in question is taken by pregnant women duringthe course of their pregnancies. As your sample you will use thenext 200 single births occurring in a given hospital. For eachbirth a medication history will be taken from the new mother andfrom her doctor; in addition, you will review medical records toverify use of the drug. [N.B.: These mothers are considered to havebeen followed prospectively during the entire course of theirpregnancies, because a complete and accurate record of drug use wasmaintained during pregnancy.]
The resultant data are:
Forty mothers have taken the suspected drug during theirpregnancies. Of these mothers, 35 have delivered malformed infants.In addition, 10 other infants are born with malfunctions.
The relative risk between exposure to the drug and malformationsis
A.16
B. 12
C.14
D. 10
E. 15
As the hospital epidemiologist you are asked to investigate theeffect of a drug suspected of causing malformations in newborninfants when the drug in question is taken by pregnant women duringthe course of their pregnancies. As your sample you will use thenext 200 single births occurring in a given hospital. For eachbirth a medication history will be taken from the new mother andfrom her doctor; in addition, you will review medical records toverify use of the drug. [N.B.: These mothers are considered to havebeen followed prospectively during the entire course of theirpregnancies, because a complete and accurate record of drug use wasmaintained during pregnancy.]
The resultant data are:
Forty mothers have taken the suspected drug during theirpregnancies. Of these mothers, 35 have delivered malformed infants.In addition, 10 other infants are born with malfunctions.
The relative risk between exposure to the drug and malformationsis
A.16
B. 12
C.14
D. 10
E. 15
