05-18-2009, 08:38 AM
two experimental drugs, drug x and drug y are being evaluated for treatment of chf. pts recieving drug x have a cardiac index of 2.5 with a 95% CI of 1.5-3.5. Pts recieving drug Y have a cardiac index of 1.7 with a 95% CI of 0.7-2.7. A test of the significance of difference shows a p-value of 0.1. Which of the following is the liklihood that the difference in mean cardiac index of patients recieving drug X and drug Y is due to chance?
a 0%
b2.5
c 5
d 7.5
e10
f 66.7
g 95
a 0%
b2.5
c 5
d 7.5
e10
f 66.7
g 95