PCL102H1 Lecture Notes - Lecture 18: Viral Load, Cohort Study, Blood Test
27 Apr 2016
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Sample of people without disease grouped by whether exposed or not exposed to potential cause of disease cohort followed over time to see if number of disease cases differs between group with and without exposure. Rare or well-defined exposures, examine multiple outcomes, can only look at one exposure. Sample of people with disease and without disease calculate how many were exposed and not exposed in sample disease and sample without disease. Rare or well-defined outcomes, examine multiple exposures, can only look at one outcome, comparison group hard to determine. Consent form must have contact information, risks and benefits, clearly defined purpose, statement of confidentiality, statement of voluntary consent, summary & signature. Cd4 cell count lower the count, higher hiv. If family doctor is a trial investigator, someone aside from the family doctor (e. g. another doctor) should conduct the interview and obtain consent.
