USMLE purpose: Rapid-review a single biostats shortcut in Anki-card style.

How to use this page

1. Read the clue.
2. Answer before opening the toggle.
3. Keep this page as a one-minute warmup.

• Episode metadata

One-liner

For cohort or randomized trial risk comparisons, think relative risk.

• Rapid recall: what measure goes with cohort studies?
• Mini-check

Extra practice

A study starts with smokers and nonsmokers, then follows them for lung cancer over 10 years. What measure is most appropriate?

• A) Odds ratio
• B) Relative risk
• C) Specificity
• D) PPV
• Reveal answer & explanation