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Question

In a study on parkinsons, 150 men were enrolled as cases and an equal number as controls. Among the 50 reported

low iron intake while only 20 of the controls reported low iron intake. Calculate the association between low iron intake and developing parkinsons in this population

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Cases
Control
Total
odd ration
Low
yes
a 50
C
20
70
(a/c )
(50/ 20
iron
no
=3:25
Loo
d
130
230
Total
150
150
300
fold )
(100/300)

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