03-27-2007, 05:56 PM
a pt. with high psa ratio if the senestivity of the test is 80% and specificity 90% and case control study showed 10% of the the same age group have the cancer ... what is the like hood ratio if having the same condition for this patient ?
a- 47%
b- 35%
c- 17%
d- 67%
e- can't determined
ps... say why and how to calculate it thanks
a- 47%
b- 35%
c- 17%
d- 67%
e- can't determined
ps... say why and how to calculate it thanks