Study Classification [Neurosurgery Wiki]

This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong.
======  Study Classification ======

[[Retrospective study]]

[[Prospective study]]

[[Multicenter study]]

[[Observational study]]
----
[[Analytical observational study]].
----
[[Anatomic study]].
----
[[Case-control study]].
----
[[Clinical case study]]-[[Case report]].
----
[[Clinical trial]].
----
[[Cohort study]].
----
[[Correlational study]]
----
[[Cross-sectional study]].
----
[[Descriptive study]].
----
[[Expert opinion]].
----
[[Experimental study]].
----
[[Genome-wide association study]].
----
[[Historical vignette]]
----
[[Intention-to-treat analysis]].
----
[[Kaplan Meier analysis]].
----
[[Letter to the editor]] or response
----
[[Meta-analysis]].
----
[[Original research]].
----
[[Perspective]], [[opinion]], and [[commentary]].
----
[[Population-based study]].
----
[[Prognostic study]].
----
[[Proof of concept]] study
----
[[Qualitative study]].
----
[[Review article]].
----
[[Book review]].
----
[[Systematic literature review]],
----
[[Scientific Trial]].
----
[[Technical note]].
----
[[Univariate analysis]].
===== Primary study =====


In a primary study, the analysis is performed on only one measure, and in a secondary study the analysis is performed on several measures.

see [[Primary study]].

===== Secondary study =====


[[Secondary study]].

[[Proof of concept]] study
----
[[Single-center trial]].

[[Multicenter trial]].
----
[[Single-arm trial]]

----
[[Noninferiority trial]]
----

More terms and examples
A [[randomized]] double-[[blinded clinical trial]] with a [[crossover research design]].

===== ICONS study =====
[[ICONS study]]