Table 1.

Inclusion and exclusion criteria

Inclusion criteria	Exclusion criteria
• Observational studies of CKD	• ESRD cohorts
▪ Based on a priori hypotheses and study objectives	• General population cohorts
▪ Study individuals with CKD	• Randomized controlled trials
▪ Collect longitudinal data prospectively	• Clinical databases
▪ Examine a broad spectrum of CKD-related health outcomes
▪ Collect and analyze bio-samples
• Sample size ≥1000 in adult studies and ≥300 in pediatric studies
• Duration of follow up ≥3 years