4. Consider the following survival tables relative two survival data of a clinical trial where survival of patients with a medical device are compared with a control group. CONTROL SAMPLE (NO MEDICAL...


4.<br>Consider the following survival tables relative two survival data of a clinical trial where survival of patients with a medical device are compared with a<br>control group.<br>CONTROL SAMPLE (NO MEDICAL DEVICE)<br>Time<br>Alive before t; (n;)<br>deaths at t, (d,)<br>3<br>150<br>146<br>5<br>15<br>141<br>1<br>15+<br>28<br>139<br>4<br>SAMPLE PATIENTS WITH MEDICAL DEVICE<br>Time<br>Alive before t; (n)<br>deaths at t, (d,)<br>1<br>250<br>149<br>8+<br>16+<br>30<br>144<br>1<br>If we wish to perform a log-rank test to compare the two studies, we need to compute the values of UL, and s. This involves computing summations. How<br>many terms will these summations have in this case?<br>10<br>7<br>Answer for this question is not 9. (Take<br>Note)<br>

Extracted text: 4. Consider the following survival tables relative two survival data of a clinical trial where survival of patients with a medical device are compared with a control group. CONTROL SAMPLE (NO MEDICAL DEVICE) Time Alive before t; (n;) deaths at t, (d,) 3 150 146 5 15 141 1 15+ 28 139 4 SAMPLE PATIENTS WITH MEDICAL DEVICE Time Alive before t; (n) deaths at t, (d,) 1 250 149 8+ 16+ 30 144 1 If we wish to perform a log-rank test to compare the two studies, we need to compute the values of UL, and s. This involves computing summations. How many terms will these summations have in this case? 10 7 Answer for this question is not 9. (Take Note)

Jun 08, 2022
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