Fig. 4.

a Cumulative percentage of studies on pediatric dialysis registered on ClinicalTrials.gov according to the time from primary study completion until availability of study results within 24 months after primary study completion and stratified according to funding type. b Cumulative percentage of studies on pediatric dialysis registered on ClinicalTrials.gov according to the time from study completion until availability of study results within 24 months after primary completion and stratified according to enrollment of children only vs. enrollment of both adults and children