Do systematic reviews still exclude studies with "no relevant outcome data"?

Ref ID 470
First Author K. M. Dwan
Journal BMJ
Year Of Publishing 2017
URL https://www.bmj.com/content/358/bmj.j3919.long
Keywords Cochrane
Multiplicity
Missing data
General medical
Problem(s) Errors in study inclusion or omission of relevant studies
Weaknesses identified in some Cochrane reviews
Number of systematic reviews included 434
Summary of Findings Around 20% of included Cochrane reviews were still excluding studies based on the lack of reporting of outcomes of interest in trial reports which the author highlights potentially contributes to research waste if otherwise eligible studies are discarded based on failure to report outcome data.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study? No