Question
For Questions 19-20 use the following information: You are the principal investigator of a four-year survival study. Unfortunately, your new research assistant went on vacation
For Questions 19-20 use the following information:
You are the principal investigator of a four-year survival study. Unfortunately, your new research assistant went on vacation without filling in the important calculation fields in the life table below. In order to discover how effective your study was, you must fill out the ACTUARIAL life table and interpret the data.
Table 4.
Interval since start of study | Number alive at start of interval | Number who were censored during interval e.g., (lost to follow-up, etc) | Adjusted number at risk during interval (Number alive at midpoint) | Number who died during interval | Proportion who died during interval | Proportion who survived during interval | Cumulative proportion who survived from enrollment to end of interval (Cumulative survival) |
1st year | 100 | 5 | Question 19 | 4 | |||
2nd year | 91 | 3 | 7 | ||||
3rd year | 81 | 3 | 6 | ||||
4th year | 72 | 5 | 9 | Question 20 |
Question 19
What is the adjusted number at risk at 1st year since the start of the study? Report your answer rounded to the 10th decimal place.
_________________________
Question 20
What is the cumulative survival at the end of the 4th year among participants of this study (using the life table)? Please give your answer as a percentage (multiply by 100) rounded to the 10th decimal place. (i.e.: 14.1%)
___________________
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started