14 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics ... #specificity #PPV ... #NPV
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Calculation #Table #PPV ... #NPV #Formulas ... #Statistics #Matrix
Pap Smear Algorithm 
#Diagnosis #Pap #Smear #Test #Cervical #HPV #Screening #PrimaryCare #Management #Vaccination #Gynecology
Pap Smear Algorithm ... Test #Cervical #HPV
Genital Ulcer - Differential Algorithm
Painful
 - H. ducreyi (Chancroid)
 - HSV
Painless
 - T pallidum (Chancre)
 -
- Differential Algorithm ... Chlaymydia - HPV ... #Differential #Algorithm
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
NegativePredictiveValue #NPV ... Biostatistics #statistics
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
PositivePredictiveValue #PPV ... Biostatistics #statistics
Oral Cavity Lesions in a patient with HIV/AIDS
White plaque
 - Pseudo-membranous candidiasis
 - Oral hairy leukoplakia
Mass - Wart (HPV ... Differential #Diagnosis #Algorithm
Polycythemia vera, Essential thrombocythemia, Primary myelofibrosis Diagnosis Algorithm
 • Polycythemia vera → Blood JAK2 mutation screening
myelofibrosis Diagnosis Algorithm ... #hematology #PV
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Polycythemia #Vera #PV ... Differential #Diagnosis #Algorithm
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Differential Diagnosis Algorithm ... Polycythemia Vera (PV ... Differential #Diagnosis #Algorithm