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.
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
2 mins
Relative Risk (RR)
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
2 mins
Attributable Risk (AR)
Use
Proportion Exposure Increases Disease
Formula
Incidence of Diseased (Sick)
Equals =
Exposed Group
a / (a + b)
Minus -
Unexposed Group
c / (c + d)
1 min
Quantifying Risk: Contingency 2x2 Table Setup
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
2 mins
Ace Your Physician Assistant (PA) Classes & Exams with Picmonic:
Over 1,710,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.
Choose the #1 Physician Assistant (PA) student study app.
Picmonic for Physician Assistant (PA) covers information that is relevant to your entire Physician Assistant (PA) education. Whether you’re studying for your classes or getting ready to conquer the PANCE® or PANRE®, we’re here to help.
Works better than traditional Physician Assistant (PA) flashcards.
Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.