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Interpret the survival curves given below estimate the median survival time in the two groups being compared.In your opinion, does the median
Interpret the survival curves given below
estimate the median survival time in the two groups being compared. In your opinion, does the median survival time differ substantially between the 2 groups? Why or why not?
1 resected PM
median survival time = _________________
> 1 resected PM
median survival time = _________________
Comparison of median survival times
No questions below line information only
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CASE INFO- INFORMATIONAL ONLY:
A study was conducted to identify prognostic factors of improved survival after resection of isolated pulmonary metastases (PM) from colorectal cancer. Data were collected for 77 patients who underwent a complete resection during the first thoracic operation. The variables in the data set are given below
VARIABLES:
subj: Subject number
number: Number of resected pulmonary metastases (nominal variable)
categorized as ">1" or "1"
months: Survival in Months
status_2: Vital status at end of study
