APPENDIX 2: KCE selection of special queries

Author(s): 
Nicolas Fairon

How to use this file

Depending on your needs, choose the appropriate type of filter (SR or RCT). Then use the filter from the most sensitive to the more specific. In other words, if the most sensitive gives you too much results, use a more specific.

Combine the last line using a AND with the results’ set you want to filter.

Systematic reviews

Medline (OVID)

limit # to systematic reviews

Where # is the line number

This limit will run a query based on the search strategy developed by PubMed.

Embase (Embase.com)

'meta-analysis'/exp OR 'meta-analysis' OR 'systematic review'/exp OR 'systematic review'

This query is adapted from Wilczynski

Randomized Control Trials (RCT)

Medline (OVID)

All queries are adapted from the Cochrane Handbook

Sensitive

  1. randomized controlled trial.pt
  2. controlled clinical trial.pt
  3. randomized.ab
  4. placebo.ab
  5. drug therapy.fs
  6. randomly.ab
  7. trial.ab
  8. groups.ab
  9. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8
  10. exp animals/ not humans.sh
  11. 9 not 10 

Sensitivity and specificity

  1. randomized controlled trial.pt
  2. controlled clinical trial.pt
  3. randomized.ti,ab
  4. placebo.ti,ab
  5. clinical trials as topic.sh
  6. randomly.ti,ab
  7. Trial?.ti
  8. 1 or 2 or 3 or 4 or 5 or 6 or 7
  9. exp animals/ not humans.sh
  10. 8 not 9

Embase (Embase.com)

All queries are adapted from Wong

Sensitive

random*:ab,ti or ‘clinical trial’/de or ‘clinical trial’ or ‘health care quality’/exp

Sensitivity and precision

random*:ab,ti OR placebo*:de,ab,ti OR (double NEXT/1 blind*):ab,ti

 

Notes