4 results
Most episodes of chronic cough in adults are caused by upper airway cough syndrome (UACS, also
Most episodes of chronic ... in 18 to 62 percent ... in up to 42 percent ... than replacing it ... #Differential #Table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
about it! ... It is classified ... Usually composed ... Erythemas #comparison #table ... #dermatology #compared
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
that any given case ... in question, so it ... has a narrow focus ... #Calculation #Table ... #PPV #NPV #Formulas
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Clinical Trial: compares ... > incidence in chronic ... rejecting null when it ... but not on the causal ... Biostatistics #formulas