Skip to main content

Advertisement

Table 2 Grades of recommendation in the IUA guidelines [13]

From: Prevention and treatment of venous thromboembolism with low-molecular-weight heparins: Clinical implications of the recent European guidelines

Grade Clinical evidence
A • Level 1 evidence from randomised controlled trials with consistent results, which are directly applicable to the target population.
B • Level 1 evidence from a single high-quality randomised controlled trial, which is directly applicable to the target population.
  • Level 1 evidence from randomised controlled trials with less consistent results, limited power or other methodological problems, which are directly applicable to the target population.
  • Level 1 evidence from randomised controlled trials extrapolated from a different group of patients to the target population.
C • Level 2 evidence from well-conducted observational studies with consistent results, which are directly applicable to the target population.
  1. IUA, International Union of Angiology