5.2.7.2 Phase two of data extraction
- Carolyn Phillips
Phase two of data extraction is the extraction of author’s conclusions from full text articles and rating each according to its assessed validity (unequivocal, credible, not supported) drawn from all of the included texts. The units of extraction in this process are specific conclusions stated by the author/speaker and the text that demonstrate the argument or basis of the conclusion. Conclusions are principal opinion statements embedded in the paper and are identified by the reviewer after examining the text in the paper. It is for this reason that reviewers are required to read and re-read the paper closely to identify the conclusions to be entered into JBI SUMARI. Conclusions should be extracted as verbatim statements from the author.
Example:
Conclusion: To ensure safe, quality care for all patients in the least restrictive environment, American Nurses Association supports nursing efforts to reduce patient restraint and seclusion.
Illustration (and page number): “Developmentally appropriate methods of restraint must be used in the least restrictive manner with the ultimate goal of a safe, restraint-free environment.”42 (p 5) (Unequivocal)
Following data extraction of the three various types of text: narrative, expert opinion or policy/consensus guideline, conclusions will be synthesized together, depending on the nature of the clinical question. If the three various types of text are included in the systematic review, a decision will need to be made by the review team whether these are presented in their separate textual types, or synthesized together. This should be outlined transparently in the a priori protocol.
