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Per-protocol analysis

In epidemiology, Per-protocol (PP) analysis is opposite to the Intention to treat analysis. It is a strategy of analysis in which only patients who complete the entire clinical trial or other procedure analyzed, not like the Intention to treat analysis which also including the patients who dropped out.

Per-protocol analysis is also called "On treatment analysis".

The Per-protocol analysis is useful when the researcher is interested in knowing the real efficacy of a drug[1]


  1. ^ Leandro G. Meta-analysis in medical research : the handbook for the understanding and practice of meta-analysis. 2005. Blackwell Pub. p90

See also

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Per-protocol_analysis". A list of authors is available in Wikipedia.
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