A hypothetical study was conducted with 20 participants to in estgate 2-year sur
ID: 3331228 • Letter: A
Question
A hypothetical study was conducted with 20 participants to in estgate 2-year survival probabity of persons diagnosed her cance Kaplan Meier s wal estinates resulted in the table below IndividuaNumber Probability Probability O manths)Rsk fEvents Probability Of Event 1/20 0.050 19/20 0950 19 0.900 10 16 15/16.0.938 0.844 14/15 0933 0.722 19 21 24 10 1/10-0.100 9/10-0.900 8-0.12 /8 0.87S 0.569 (D) What is the best interpretation of the value in the cell labeled ( a 57% of persons who survived to 21 months also survived to 24 months O b The Kaplan-Meler survivall function for this study is estimated to be 125 Oc The probablity of surving 24 months given survival to 21 months is 57% Od The probablity of surviing beyond 24 morth$for participants int study is 57%Explanation / Answer
The correct option is " D" that is probability of surviving beyond 24 months for participants in the study is 57%.
Since S(t) = P(T > t) where S(t) denotes the Survival Function represent the probability of surviving beyond t months of age..
Thus the last column represent the probability of survival after the respective time (in months). Hence, we could conclude that option (D) is correct interpretation .
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