Assignmnet:
The data is grouped according to the extent of the disease at the time of diagnosis and the type of hospital (provincial or teaching) where the woman was treated.
|
Extent of Breast Cancer
|
Provincial Hospitals
|
Teaching Hospitals
|
|
Number of patients
|
Percent of total patients
|
Percent Survived
|
Number Survived
|
Number of patients
|
Percent of total patients
|
Percent Survived
|
Number Survived
|
|
Local
|
240
|
(80)
|
60%
|
144
|
30
|
(30)
|
70%
|
21
|
|
Regional
|
30
|
(10)
|
30%
|
9
|
40
|
(40)
|
50%
|
20
|
|
Metastatic
|
30
|
(10)
|
10%
|
3
|
30
|
(30)
|
20%
|
6
|
Q1: What is the overall survival percentage in provincial hospitals and in teaching hospitals?
Q2: Set up a 2x2 table with total breast cancer deaths as the outcome of interest and hospital type (provincial or teaching status) as the exposure of interest.
Q3: Calculate the cumulative incidence of total breast cancer deaths in the provincial hospitals and in the teaching hospitals.
Q4: Calculate the cumulative incidence ratio (risk ratio) of total breast cancer death in provincial hospitals relative to teaching hospitals