Figure 1

Study flow chart. Abbreviations: ESRD, end-stage renal disease; eGFR, estimated glomerular filtration rate. Patients living in the high-altitude villages, namely Sandimen, Wutai, Majia, Laiyi, and Taiwu, were excluded from the study.
Study flow chart. Abbreviations: ESRD, end-stage renal disease; eGFR, estimated glomerular filtration rate. Patients living in the high-altitude villages, namely Sandimen, Wutai, Majia, Laiyi, and Taiwu, were excluded from the study.