9 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Biostatistics #statistics ... #Epidemiology #Equations ... #specificity #PPV ... #NPV
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... #NPV #Biostatistics ... #statistics #Epidemiology ... #Equations #calculations
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
PositivePredictiveValue #NegativePredictiveValue ... Calculation #Table #PPV ... #NPV #Formulas ... #Statistics #Matrix
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Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
PositivePredictiveValue #PPV ... Biostatistics #statistics ... #Epidemiology #Equations
Genital Ulcer - Differential Algorithm
Painful
 - H. ducreyi (Chancroid)
 - HSV
Painless
 - T pallidum (Chancre)
 -
Genital Ulcer - Differential ... Algorithm Painful ... Chlaymydia - HPV ... Genital #Ulcers #Differential ... #Algorithm #Diagnosis
Oral Cavity Lesions in a patient with HIV/AIDS
White plaque
 - Pseudo-membranous candidiasis
 - Oral hairy leukoplakia
Mass - Wart (HPV ... Lesions #HIVAIDS #Differential ... #Diagnosis #Algorithm
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... Polycythemia #Vera #PV ... #Differential # ... Diagnosis #Algorithm
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... Polycythemia Vera (PV ... hematology #Markers #Differential ... #Diagnosis #Algorithm
Chronic Voice Hoarseness - Differential Diagnosis Algorithm
Infectious:
 • Bacterial Infection
 • Fungal Infection (Monilia)
Inflammatory:
 • Chronic
Voice Hoarseness - Differential ... Diagnosis Algorithm ... Benign: Papilloma (HPV ... Hoarseness #Vocal #Differential ... #Diagnosis #Algorithm