12 results
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
TYPE I & TYPE II ERRORS ... #Type1 #Type2 #Errors ... #Biostatistics
P-Value Significance - Visualized in number of "heads in a row"

- Jonas Obleser, PhD - https://twitter.com/jonasobleser

#PValues
Significance #heads #CoinFlip ... #Biostatistics
Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
were visible (arrows ... Recurrentis #Smear #Microscopy
Auer Rods - Bone marrow aspiration revealed 5% blasts and 65% promyelocytes; many promyelocytes had prominent
prominent Auer rods (arrows ... AcutePromyelocyticLeukemia #Smear #Microscopy
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
Panels A and B, arrows ... ureter (Panel C, arrows ... AcidFastBacilli #Microscopy
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... Affected by random error ... by systematic error ... true Type II (β) error ... #Epidemiology #Biostatistics
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
melanocytes (Panel B, arrows ... TineaVersicolor #Rash #Microscopy
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Yeast forms (arrows ... LymphNode #Clinical #Microscopy
Microscopic examination of vaginal samples. A, Normal saline wet mount showing a clump of three normal
Microscopic examination ... Candida hyphae (arrows
Calcium Oxalate (Monohydrate and Dihydrate) Crystals on Urine Microscopy
The calcium oxalate crystal is found in urine
Crystals on Urine Microscopy ... monohydrate (black arrows ... crystalluria #Urine #Microscopy