Data and study population
CKD
This study was conducted in the same population as the participants for whom we previously created a risk model for developing hypertensionTwo-thirds of the participants were randomly assigned to the derivation cohort to generate a score and an equation to predict CKD. The remaining one-third was used as a validation cohort to assess the validity of the score and equation obtained in the derivation cohort.This study was conducted in accordance with the Declaration of Helsinki and was approved by the Institutional Ethics Committees of the Graduate School of Medical and Dental Sciences, Kagoshima University. The Ethics Committee has approved that since only existing anonymized data were used in this study, it is not necessary to obtain the informed consent of each individual.