Subscriber Login

Forgotten your password?

You are looking at  1-4 of 4 chapters  for:

  • 20.3 Observational Studies. x
  • 20 Study Design and Statistics x
Clear All

View:

Case Series  

Margaret A. Winker and Stephen J. Lurie

in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.605
Item type: 
section
A case series describes characteristics of a group of patients with a particular disease or patients who have undergone a particular procedure. A case series may also involve observation of larger units ... More

Case-Control Studies  

Margaret A. Winker and Stephen J. Lurie

in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.604
Item type: 
section
Case-control studies, which are always retrospective, compare those who have had an outcome or event () with those who have not (). Cases and controls are then evaluated for exposure to various and thus ... More

Cohort Studies  

Margaret A. Winker and Stephen J. Lurie

in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.022.603
Item type: 
section
A prospective cohort study follows a group or of individuals who are initially free of the outcome of interest. Individuals in a cohort generally share some underlying characteristic, such as age, sex, ... More

Observational Studies  

Margaret A. Winker and Stephen J. Lurie

in AMA Manual of Style: A Guide for Authors and Editors (10th edition)

Print Publication Year: 
2007
Published Online: 
2009
DOI: 
10.1093/jama/9780195176339.021.279
Item type: 
section
In an observational study, the researcher identifies a condition or outcome of interest and then measures factors that may be related to that outcome. Although observational studies cannot lead to strong ... More

View: