Question: d. 1.61 38. Recall, the data from the randomized clinical trial of patients with primary biliary cirrhosis (PBC). The Cox PH model that estimares the

d. 1.61 38. Recall, the data from the randomized clinical trial of patients with primary biliary cirrhosis (PBC). The Cox PH model that estimares the association between mortality and sex (88% F, 12% M in this patient sample) is : In(hazard of mortaility at time t: x)- In(). (t)) + -0.4811, where x1 =1 for females and O for males. The standard error of the slope for x1 ( SE(B, ) ) is 0.23. -What is the 95% CI for the hazard ratio from question 37? a. (-0.94, -0.02) b. (0.39, 0.98) c. (0.02, 0.94) d. (1.02, 1.56) 39

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