"To confirm these findings" means to double-check or verify the accuracy or truth of the results that have been discovered or obtained. Full definition
The study confirms the findings of previous reports, that despite increasing numbers of graduates, the advantage in earnings is not declining. (bbc.co.uk)
This paper begins by confirming those findings in an analysis involving more countries over more time with additional controls. (nber.org)
This study confirms the findings of previous research on the cooling effect of irrigation on daytime temps. (wattsupwiththat.com)