Assuming that the sample table is for a cohort study from a fixed population. Us
ID: 3461344 • Letter: A
Question
Assuming that the sample table is for a cohort study from a fixed population. Use the information from this table to answer the related questions.
State what each of these answer choices mean (the first example is given to you):
OUTCOME DISEASE
OUTCOME DISEASE
TOTAL
PERSON IN TIME
EXPOSURE
+
_
+
A
B
A+B
X
_
C
D
C+D
Y
TOTAL
A+C
B+D
A+B+C+D
X+Y
a. A/(A+B): Cumulative incidence of the disease in exposed
b. C/(C+D):
c. (A+B)/ (A+B+C+D):
d. [A/(A+B)]/[(C/C+D)]:
e. [(A/X)/(B/Y)]:
OUTCOME DISEASE
OUTCOME DISEASE
TOTAL
PERSON IN TIME
EXPOSURE
+
_
+
A
B
A+B
X
_
C
D
C+D
Y
TOTAL
A+C
B+D
A+B+C+D
X+Y
Explanation / Answer
A) cumulative incidence of the disease exposed.
B) Incidence of the disease not exposed to the population.
C) Its the total scenerio of the total population to which the disease is exposed and not exposed.
D) Its the percentage of the population exposed and not exposed. It may be described in ratio also.
E) Its the calculatiion and relation with time in which the population percentage which got eeffected and which not got effected.