Skip to main content
. 2022 Feb 3;14(3):656. doi: 10.3390/nu14030656

Table 2.

Inclusion and exclusion criteria.

Inclusion Exclusion
Population
  • At risk of or clinically diagnosed with depression AND/OR anxiety disorders

  • No patients at risk of or clinically diagnosed with depression AND/OR anxiety disorders

Intervention
  • Study involves the use of a vitamin E containing drug as part of any arm, intervention or otherwise, of the study

  • Study does not involve the use of a vitamin E containing drug as part of any arm, intervention or otherwise, of the study

Comparator
  • Any arm of study that administers a placebo or drug in place of vitamin E

Outcomes
  • Any validated quantitative assessment of severity of anxiety and/or depression

  • If study only reports qualitative improvement, the results will be assessed with systematic review without meta-analysis

  • Study does not have outcomes assessing anxiety and/or depression

Study design
  • Randomised controlled trials of any phase

  • Nonrandomised controlled prospective clinical trials

  • Long-term follow-up studies

  • Prospective observational studies

  • Systematic reviews and meta-analyses

  • Non-systematic reviews including literature and scoping reviews

  • Preclinical studies

  • Prognostic studies

  • Retrospective studies

  • Case reports or series

  • Editorials, commentaries and letters

  • Consensus reports

Language
  • Articles in English or translated to English

  • Articles not in English and with no English translation available