This study is designed as an investigator-initiated, multi-center, prospective and observational real world study based on mainland Chinese population. The investigators aimed to investigate the occurrence, development, treatment, prognosis state and related risk factors of CKD in China.
This study based on the standardized data network, which provides efficient data collection, integration and analysis for researchers and clinicians in multi-centers.
The sample size of this study was estimated by statisticians, epidemiologists and clinicians. Real-world studies adopted an open standard for inclusion and exclusion, larger sample size could cover a wider group of patients and take the possibility of loss of follow-up into account. Subgroup analysis can be performed in a heterogeneous population and expand the significance of the study.
