Random - stats, etc.

Question 1

Case series

Answer 1

A case series includes a description of the characteristics and outcomes among a group of individuals with either a disease or an exposure (which can be an intervention) over a period of time and without a control group.

Question 2

Cohort study

Answer 2

A cohort study is a type of epidemiological study in which a group of people with a common characteristic is followed over time to find how many reach a certain health outcome of interest (disease, condition, event, death, or a change in health status or behavior).

Question 3

Case-control study

Answer 3

A case-control study is a type of observational study commonly used to look at factors associated with diseases or outcomes. The case-control study starts with a group of cases, which are the individuals who have the outcome of interest

Question 4

Clearance equation

Answer 4

(VD x 0.693) / t1/2

Question 5

Drugs that decrease INR when used with warfarin

Answer 5

Carbemazepine
Phenytoin
Cholestyramine
Rifampicin

Question 6

Factorial study

Answer 6

Two studies in one
Patients are randomised initially, then randomised again

Question 7

NPV equation

Answer 7

True negatives / True negatives + false negatives

Question 8

Purpose of intention to treat analysis

Answer 8

Decrease selection bias

Question 9

NNT equation

Answer 9

1 / difference in absolute values between the two groups

Question 10

Bilateral 7th nerve palsies

Answer 10

Think Sarcoid

Question 11

Loading dose equation

Answer 11

VD x required plasma concentration

Question 12

Test to rule out pre-eclampsia

Answer 12

sFlt-1/PIGF <38