welcome redditors!to snoo-finity ... and beyond!

NBME 15 Answers

nbme15/Block 2/Question#49

A study was begun in the 1950s to determine the ...

Cohort study

Login to comment/vote.

A cohort study compares a group with a given exposure (cigarette smoking) to a group without such exposure. It then looks to see if exposure or risk factor is associated with later development of disease. "does smoking lead to COPD"

on the other hand, a case-control study looks at those with the disease vs without to see if there is a difference between prior exposure or risk factor "Did people with COPD smoke"