QUESTION 30 How many people withdrew in year 5? (1) Interval since Beginning Treatment (months) (2) Alive at Beginning of Int

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QUESTION 30 How many people withdrew in year 5? (1) Interval since Beginning Treatment (months) (2) Alive at Beginning of Interval (3) Died during Interval (4) Withdrew during Interval (5) Effective Number Exposed to Risk of Dying during Interval: Col (2) – 1/2 Col (6) Proportion Who Died during Interval: Col (3) /Col (5) (7) Proportion (8) Cumulative Who Did Not Proportion Die during Who Survived Interval: 1 from Col ( Enrollment to End of Interval: Cumulative Survival 0.742 1000 258 0 1000 1st year 2nd year 0.258 742 100 30 727 0.138 0.862 3rd year 612 103 8 608 0.169 0.831 4th year 501 295 3 500 0.591 0.409 5th year 203 107 12 197 0.543 0.457 Save All
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