09-01-2006, 12:51 PM
raloxifene placebo
no. of women in study group 2557 2576
no. of vertebral fractures 138(5.4%) 260(10.1%)
based on these results how many women shud b treated 2 prevent 1 fracture?
a) 10/5.4=8.5
b) 100/10.1=10
c) 100/(10.1+5.4)=6.5
d) 100/(10.1-5.4)=21
e) 100/(10.4*5.4)=2
no. of women in study group 2557 2576
no. of vertebral fractures 138(5.4%) 260(10.1%)
based on these results how many women shud b treated 2 prevent 1 fracture?
a) 10/5.4=8.5
b) 100/10.1=10
c) 100/(10.1+5.4)=6.5
d) 100/(10.1-5.4)=21
e) 100/(10.4*5.4)=2