Table 1

Levels of support and nature of evidence used in voting on statements at the Genval Workshop

CategoryLevel of support
AAccept completely
BAccept with some reservation
CAccept with major reservation
DReject with reservation
EReject completely
Category Nature of the evidence
AWell designed and appropriately controlled trials
BWell designed cohort or case controlled studies
CCase reports or flawed clinical trials
DMy own clinical experience
EThere is not sufficient evidence available to form an opinion