4.3.1 Sintesi e raccomandazioni - Biblioteca Medica

APPLICABILITY
These guidelines apply only to men with signs and symptoms ascribable to BPH
(LUTS/BPH)
METHODS
a) Reporting system for scientific evidence and the recommendations of the Guideline
Level of
evidence
statements
Force of the
recommendation
b) Grading system used to classify scientific evidence and recommendations
Levels of evidence
I
II
III
IV
V
VI
Evidence obtained from more than one randomized, controlled clinical
trial and/or systematic reviews of randomized trials
Evidence obtained from only one well-designed, randomized, clinical
trial
Evidence obtained from non randomized, cohort studies with a control
group (either concurrent or historical), or their meta-analysis
Evidence obtained from retrospective studies, such as case-control
studies, or their meta-analysis
Evidence obtained from case series without a control group
Evidence based on the opinion of authoritative experts or committees
of experts as indicated in guidelines or consensus conferences, or
based on the opinions of working groups members responsible for
these guidelines
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