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diagnosis management clinical differential algorithm cardiology covid19 neurology ppm physicalexam bppv checklist vertigo video causes comparison ppe gastroenterology treatment criticalcare
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix Sensitivity refers to the test's ability to correctly
False-Negative Contingency ... FalseNegative #Contingency ... ConfusionMatrix #Biostatistics
Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... #specificity #PPV ... #NPV
USMLE Epidemiology and Biostatistics Summary Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... PPV: proportion ... prevalence is low, then PPV ... specificity -> higher PPV ... #Epidemiology #Biostatistics
Fungal Biomarkers: Comparing Beta-D-Glucan and Aspergillus Galactomannan Beta-D-Glucan: • Polysaccharide cell wall component of many fungi •
Spec -80% for IA, PPV ... < 50%, NPV > 90%
Fecal Incontinence - Pathogenesis and Complications Continence mechanisms are impaired • Local neuronal damage • External and
Complications Continence ... sphincter impairment Continence
An Overview on P-Values "The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
TYPE I & TYPE II ERRORS SENSITIVITY & SPECIFICITY = SNOUT & SPIN Sensitive Tests that
Type2 #Errors #Biostatistics
Types of Urinary Diversion Procedures Ileal Conduit: • Technically simpler, fewer complications, and well understood. No bladder
near-normal urinary continence ... near-normal urinary continence
Arterial Lines & Waveforms Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
PRESSURE VARIATION (PPV ... Pressure Variation (PPV ... volume (increased PPV
Health Maintenance Checklist for Adult IBD Patients Vaccine Preventable Diseases: Influenza (inactive), Pneumococcal PCV13, Pneumococcal PPSV23, Tdap,
PPSV23, Tdap, HPV ... Screenings: DEXA Scan, PPD
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