youtor.org
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Video Source: www.youtube.com/watch?v=LCJVFxpMpkU
http://www.stomponstep1.com/usmle-bio... • SKIP AHEAD: • 1:18 – What is the High Yield Rating • 4:15 – Strategies for Biostats and Epidemiology Questions • 6:02 – How many Biostats and Epidemiology Questions are on Step 1? • 8:47 – Super High Yield Topics • 11:22 - Medium Yield Topics • 13:53 - Lower Yield Topics • 14:50 - No Yield Topics • Learn about the High Yield Rating Here http://www.stomponstep1.com/high-yiel... • HIGH YIELD RATING: • 10 – 2x2 Table • 9 – Bias Study Design (3-Randomization, 2 – Sampling Selection Bias, 1 – Blinding Placebo) • 9 – Sensitivity Specificity • 9 – Type of Study Design (6-Cohort, 4-Case-Control, 4-RCT) • 9 – Prevalence Incidence • 6 – p-Value and Statistical Significance • 6 – Positive Negative Predictive Value • 6 – Relative Risk and Odds Ratio • 4 – Confidence Interval • 4 – Central Tendency (2-Mean, median and Mode, 1-Robustness, 1-Skew) • 4 – Standard Deviation • 3 – Statistical Testing • 2 - # Needed to Treat/Harm • 2 – Case Fatality Rate • 2 – Power • 1 – Absolute Risk Reduction and Attributable Risk • NO YIELD (HYR of 0): • Kaplan-Myer Curves • ROC curves • Correlation coefficient regression • Precision and accuracy • Different levels of prevention • Phases of Clinical trials • Range and interquartile range • Z-scores • Pre Test and Post Test probability • Intention to treat vs. per protocol • Blocking (type of randomization) • Allocation Concealment • Hawthorne Effect and Observer expectancy bias • Lead time and length time bias • Funnel plot publication bias • Forrest plot • PICO • Subgroup analysis • Surrogate, Clinical and Composite Outcomes • Hazard Ratio
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