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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
A case series (also known as a clinical series) is a medical research study that tracks patients with a known exposure or examines their medical records for exposure and outcome. A case series can be retrospective or prospective and usually involves a smaller number of patients than more powerful case-control studies or randomized controlled trials.
A case series is a type of observational study. Case series may be consecutive or non-consecutive, depending on whether all cases presenting to the reporting authors over a period of time were included, or only a selection.
Biomedical research: Clinical study design / Design of experiments
| Controlled study|
(EBM I to II-1; A to B)
| Observational study|
(EBM II-2 to II-3; B to C)
|Analysis of clinical trials|
|Interpretation of results|