Ace Your First Aid for the USMLE Step 1 (2021) Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Physician Assistant (PA) Students
With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.
First Aid for the USMLE Step 1 (2021) | Physician Assistant (PA) School Study Aid
- Use
- Case Control Studies
- Measures Association Between an Exposure and an Outcome
- Formula
- Odds of Exposure in Diseased (Sick) Group
- a / c
- Divided /
- Odds of Exposure in Healthy Group
- b / d
- Interpretation
- =1 Exposure does not affect odds
- > 1 Exposure increases disease
- < 1 Exposure decreases disease
- Use
- Used in Cohort Studies
- Formula
- Risk of Developing Disease
- Equals =
- Exposed Group
- a / (a + b)
- Divided by /
- Unexposed Group
- c / (c + d)
- When Low Prevalence Odds Ratio Approximates Relative Risk
- Use
- Proportion Exposure Increases Disease
- Formula
- Incidence of Diseased (Sick)
- Equals =
- Exposed Group
- a / (a + b)
- Minus -
- Unexposed Group
- c / (c + d)
- Disease
- Along Top (x axis)
- Exposure
- Along Side (y axis)
- A: Exposed and Diseased (Sick)
- B: Exposed and Healthy
- C: Not Exposed and Diseased (Sick)
- D: Not Exposed and Healthy
Ace Your Physician Assistant (PA) Classes & Exams with Picmonic:
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