Question
A hypothetical study was conducted on ten participants who were followed up for the development of coronary heart disease (CHD) over a period of 10 years. The recorded data are given as follows:
| Participant ID | CHD Time |
|---|---|
| P1 | 5 |
| P2 | 8 |
| P3 | 2 |
| P4 | 6+ |
| P5 | 9 |
| P6 | 6 |
| P7 | 10+ |
| P8 | 4 |
| P9 | 8 |
| P10 | 4+ |
Estimate the survival function using the K-M method.
Answer :
Word Count : 265
Ten individuals were followed for up to 10 years, with “+” indicating right censoring. The observed event times are ordered as 2, 4, 5, 6, 8 and 9 years, with censoring at 4, 6 and 10 years. At time zero, the survival probability is 1 with 10 individuals at risk. At 2 years, _______ ___ _____ _______ _________ ______ ______ ____ ____.
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Ten individuals were followed for up to 10 years, with “+” indicating right censoring. The observed event times are ordered as 2, 4, 5, 6, 8 and 9 years, with censoring at 4, 6 and 10 years. At time zero, the survival probability is 1 with 10 individuals at risk. At 2 years, _______ ___ _____ _______ _________ ______ ______ ____ ____.
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